Merging upstream version 1.70.0+dfsg2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

38 files changed, 940 insertions, 0 deletions

diff --git a/vendor/wasm-bindgen-macro/ui-tests/async-errors.rs b/vendor/wasm-bindgen-macro/ui-tests/async-errors.rs
new file mode 100644
index 000000000..22c5107e4
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/async-errors.rs
@@ -0,0 +1,40 @@
+#![allow(unreachable_code)]
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub struct MyType;
+
+#[wasm_bindgen]
+pub async fn good1() { loop {} }
+#[wasm_bindgen]
+pub async fn good2() -> JsValue { loop {} }
+#[wasm_bindgen]
+pub async fn good3() -> u32 { loop {} }
+#[wasm_bindgen]
+pub async fn good4() -> MyType { loop {} }
+#[wasm_bindgen]
+pub async fn good5() -> Result<(), JsValue> { loop {} }
+#[wasm_bindgen]
+pub async fn good6() -> Result<JsValue, JsValue> { loop {} }
+#[wasm_bindgen]
+pub async fn good7() -> Result<u32, JsValue> { loop {} }
+#[wasm_bindgen]
+pub async fn good8() -> Result<MyType, JsValue> { loop {} }
+#[wasm_bindgen]
+pub async fn good9() -> Result<MyType, u32> { loop {} }
+#[wasm_bindgen]
+pub async fn good10() -> Result<MyType, MyType> { loop {} }
+
+pub struct BadType;
+
+#[wasm_bindgen]
+pub async fn bad1() -> Result<(), ()> { loop {} }
+#[wasm_bindgen]
+pub async fn bad2() -> Result<(), BadType> { loop {} }
+#[wasm_bindgen]
+pub async fn bad3() -> BadType { loop {} }
+#[wasm_bindgen]
+pub async fn bad4() -> Result<BadType, JsValue> { loop {} }
+
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/async-errors.stderr b/vendor/wasm-bindgen-macro/ui-tests/async-errors.stderr
new file mode 100644
index 000000000..492492a18
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/async-errors.stderr
@@ -0,0 +1,68 @@
+error[E0277]: the trait bound `Result<(), ()>: IntoJsResult` is not satisfied
+    --> ui-tests/async-errors.rs:30:1
+     |
+30   | #[wasm_bindgen]
+     | ^^^^^^^^^^^^^^^ the trait `IntoJsResult` is not implemented for `Result<(), ()>`
+     |
+     = help: the following implementations were found:
+               <Result<(), E> as IntoJsResult>
+               <Result<T, E> as IntoJsResult>
+note: required by `into_js_result`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn into_js_result(self) -> Result<JsValue, JsValue>;
+     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `Result<(), BadType>: IntoJsResult` is not satisfied
+    --> ui-tests/async-errors.rs:32:1
+     |
+32   | #[wasm_bindgen]
+     | ^^^^^^^^^^^^^^^ the trait `IntoJsResult` is not implemented for `Result<(), BadType>`
+     |
+     = help: the following implementations were found:
+               <Result<(), E> as IntoJsResult>
+               <Result<T, E> as IntoJsResult>
+note: required by `into_js_result`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn into_js_result(self) -> Result<JsValue, JsValue>;
+     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `wasm_bindgen::JsValue: From<BadType>` is not satisfied
+    --> ui-tests/async-errors.rs:34:1
+     |
+34   | #[wasm_bindgen]
+     | ^^^^^^^^^^^^^^^ the trait `From<BadType>` is not implemented for `wasm_bindgen::JsValue`
+     |
+     = help: the following implementations were found:
+               <wasm_bindgen::JsValue as From<&'a String>>
+               <wasm_bindgen::JsValue as From<&'a T>>
+               <wasm_bindgen::JsValue as From<&'a str>>
+               <wasm_bindgen::JsValue as From<JsError>>
+             and 73 others
+     = note: required because of the requirements on the impl of `Into<wasm_bindgen::JsValue>` for `BadType`
+     = note: required because of the requirements on the impl of `IntoJsResult` for `BadType`
+note: required by `into_js_result`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn into_js_result(self) -> Result<JsValue, JsValue>;
+     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `Result<BadType, wasm_bindgen::JsValue>: IntoJsResult` is not satisfied
+    --> ui-tests/async-errors.rs:36:1
+     |
+36   | #[wasm_bindgen]
+     | ^^^^^^^^^^^^^^^ the trait `IntoJsResult` is not implemented for `Result<BadType, wasm_bindgen::JsValue>`
+     |
+     = help: the following implementations were found:
+               <Result<(), E> as IntoJsResult>
+               <Result<T, E> as IntoJsResult>
+note: required by `into_js_result`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn into_js_result(self) -> Result<JsValue, JsValue>;
+     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/wasm-bindgen-macro/ui-tests/attribute-fails-to-parse.rs b/vendor/wasm-bindgen-macro/ui-tests/attribute-fails-to-parse.rs
new file mode 100644
index 000000000..2d5b34bce
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/attribute-fails-to-parse.rs
@@ -0,0 +1,6 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen(nonsense)]
+pub fn foo() {}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/attribute-fails-to-parse.stderr b/vendor/wasm-bindgen-macro/ui-tests/attribute-fails-to-parse.stderr
new file mode 100644
index 000000000..dfe9ecf0e
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/attribute-fails-to-parse.stderr
@@ -0,0 +1,5 @@
+error: unknown attribute
+ --> $DIR/attribute-fails-to-parse.rs:3:16
+  |
+3 | #[wasm_bindgen(nonsense)]
+  |                ^^^^^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/bad-signatures.rs b/vendor/wasm-bindgen-macro/ui-tests/bad-signatures.rs
new file mode 100644
index 000000000..de2c0e156
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/bad-signatures.rs
@@ -0,0 +1,13 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub fn foo() -> &u32 {}
+
+#[wasm_bindgen]
+extern "C" {
+    fn foo(Foo(x): Foo);
+
+    fn foo() -> &u32;
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/bad-signatures.stderr b/vendor/wasm-bindgen-macro/ui-tests/bad-signatures.stderr
new file mode 100644
index 000000000..48d8d40dd
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/bad-signatures.stderr
@@ -0,0 +1,17 @@
+error: cannot return a borrowed ref with #[wasm_bindgen]
+ --> $DIR/bad-signatures.rs:4:17
+  |
+4 | pub fn foo() -> &u32 {}
+  |                 ^^^^
+
+error: unsupported pattern in #[wasm_bindgen] imported function
+ --> $DIR/bad-signatures.rs:8:12
+  |
+8 |     fn foo(Foo(x): Foo);
+  |            ^^^^^^
+
+error: cannot return references in #[wasm_bindgen] imports yet
+  --> $DIR/bad-signatures.rs:10:17
+   |
+10 |     fn foo() -> &u32;
+   |                 ^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/import-local.rs b/vendor/wasm-bindgen-macro/ui-tests/import-local.rs
new file mode 100644
index 000000000..ff86375bb
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/import-local.rs
@@ -0,0 +1,13 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen(module = "./foo.js")]
+extern {
+    fn wut();
+}
+
+#[wasm_bindgen(module = "../foo.js")]
+extern {
+    fn wut2();
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/import-local.stderr b/vendor/wasm-bindgen-macro/ui-tests/import-local.stderr
new file mode 100644
index 000000000..707b30fcc
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/import-local.stderr
@@ -0,0 +1,11 @@
+error: relative module paths aren't supported yet
+ --> $DIR/import-local.rs:3:25
+  |
+3 | #[wasm_bindgen(module = "./foo.js")]
+  |                         ^^^^^^^^^^
+
+error: relative module paths aren't supported yet
+ --> $DIR/import-local.rs:8:25
+  |
+8 | #[wasm_bindgen(module = "../foo.js")]
+  |                         ^^^^^^^^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-attr.rs b/vendor/wasm-bindgen-macro/ui-tests/invalid-attr.rs
new file mode 100644
index 000000000..188a1c833
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-attr.rs
@@ -0,0 +1,15 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen(x)]
+pub fn foo() {}
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(y)]
+    fn bar();
+
+    #[wasm_bindgen {  }]
+    fn bar();
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-attr.stderr b/vendor/wasm-bindgen-macro/ui-tests/invalid-attr.stderr
new file mode 100644
index 000000000..47264acd3
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-attr.stderr
@@ -0,0 +1,17 @@
+error: unknown attribute
+ --> $DIR/invalid-attr.rs:3:16
+  |
+3 | #[wasm_bindgen(x)]
+  |                ^
+
+error: unknown attribute
+ --> $DIR/invalid-attr.rs:8:20
+  |
+8 |     #[wasm_bindgen(y)]
+  |                    ^
+
+error: malformed #[wasm_bindgen] attribute
+  --> $DIR/invalid-attr.rs:11:5
+   |
+11 |     #[wasm_bindgen {  }]
+   |     ^^^^^^^^^^^^^^^^^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-enums.rs b/vendor/wasm-bindgen-macro/ui-tests/invalid-enums.rs
new file mode 100644
index 000000000..abea3fa67
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-enums.rs
@@ -0,0 +1,21 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+enum A {}
+
+#[wasm_bindgen]
+pub enum B {
+    D(u32),
+}
+
+#[wasm_bindgen]
+pub enum C {
+    X = 1 + 3,
+}
+
+#[wasm_bindgen]
+pub enum D {
+    X = 4294967296,
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-enums.stderr b/vendor/wasm-bindgen-macro/ui-tests/invalid-enums.stderr
new file mode 100644
index 000000000..7ad51f9a5
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-enums.stderr
@@ -0,0 +1,23 @@
+error: cannot export empty enums to JS
+ --> $DIR/invalid-enums.rs:4:1
+  |
+4 | enum A {}
+  | ^^^^^^^^^
+
+error: only C-Style enums allowed with #[wasm_bindgen]
+ --> $DIR/invalid-enums.rs:8:6
+  |
+8 |     D(u32),
+  |      ^^^^^
+
+error: enums with #[wasm_bindgen] may only have number literal values
+  --> $DIR/invalid-enums.rs:13:9
+   |
+13 |     X = 1 + 3,
+   |         ^^^^^
+
+error: enums with #[wasm_bindgen] can only support numbers that can be represented as u32
+  --> $DIR/invalid-enums.rs:18:9
+   |
+18 |     X = 4294967296,
+   |         ^^^^^^^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-imports.rs b/vendor/wasm-bindgen-macro/ui-tests/invalid-imports.rs
new file mode 100644
index 000000000..ecd223b70
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-imports.rs
@@ -0,0 +1,41 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    type A;
+
+    fn f() -> &'static u32;
+
+    #[wasm_bindgen(method)]
+    fn f1();
+    #[wasm_bindgen(method)]
+    fn f2(x: u32);
+    #[wasm_bindgen(method)]
+    fn f3(x: &&u32);
+    #[wasm_bindgen(method)]
+    fn f4(x: &foo::Bar);
+    #[wasm_bindgen(method)]
+    fn f4(x: &::Bar);
+    #[wasm_bindgen(method)]
+    fn f4(x: &Bar<T>);
+    #[wasm_bindgen(method)]
+    fn f4(x: &Fn(T));
+
+    #[wasm_bindgen(constructor)]
+    fn f();
+    #[wasm_bindgen(constructor)]
+    fn f() -> ::Bar;
+    #[wasm_bindgen(constructor)]
+    fn f() -> &Bar;
+
+    #[wasm_bindgen(catch)]
+    fn f() -> u32;
+    #[wasm_bindgen(catch)]
+    fn f() -> &u32;
+    #[wasm_bindgen(catch)]
+    fn f() -> Result<>;
+    #[wasm_bindgen(catch)]
+    fn f() -> Result<'a>;
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-imports.stderr b/vendor/wasm-bindgen-macro/ui-tests/invalid-imports.stderr
new file mode 100644
index 000000000..aeb09c574
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-imports.stderr
@@ -0,0 +1,71 @@
+error: it is currently not sound to use lifetimes in function signatures
+ --> $DIR/invalid-imports.rs:7:16
+  |
+7 |     fn f() -> &'static u32;
+  |                ^^^^^^^
+
+error: imported methods must have at least one argument
+  --> $DIR/invalid-imports.rs:10:5
+   |
+10 |     fn f1();
+   |     ^^^^^^^^
+
+error: first argument of method must be a shared reference
+  --> $DIR/invalid-imports.rs:12:14
+   |
+12 |     fn f2(x: u32);
+   |              ^^^
+
+error: first argument of method must be a path
+  --> $DIR/invalid-imports.rs:14:14
+   |
+14 |     fn f3(x: &&u32);
+   |              ^^^^^
+
+error: paths with type parameters are not supported yet
+  --> $DIR/invalid-imports.rs:20:15
+   |
+20 |     fn f4(x: &Bar<T>);
+   |               ^^^^^^
+
+error: paths with type parameters are not supported yet
+  --> $DIR/invalid-imports.rs:22:15
+   |
+22 |     fn f4(x: &Fn(T));
+   |               ^^^^^
+
+error: constructor returns must be bare types
+  --> $DIR/invalid-imports.rs:25:5
+   |
+25 |     fn f();
+   |     ^^^^^^^
+
+error: return value of constructor must be a bare path
+  --> $DIR/invalid-imports.rs:29:5
+   |
+29 |     fn f() -> &Bar;
+   |     ^^^^^^^^^^^^^^^
+
+error: must be Result<...>
+  --> $DIR/invalid-imports.rs:32:15
+   |
+32 |     fn f() -> u32;
+   |               ^^^
+
+error: must be Result<...>
+  --> $DIR/invalid-imports.rs:34:15
+   |
+34 |     fn f() -> &u32;
+   |               ^^^^
+
+error: must have at least one generic parameter
+  --> $DIR/invalid-imports.rs:36:15
+   |
+36 |     fn f() -> Result<>;
+   |               ^^^^^^^^
+
+error: it is currently not sound to use lifetimes in function signatures
+  --> $DIR/invalid-imports.rs:38:22
+   |
+38 |     fn f() -> Result<'a>;
+   |                      ^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-items.rs b/vendor/wasm-bindgen-macro/ui-tests/invalid-items.rs
new file mode 100644
index 000000000..f1a356331
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-items.rs
@@ -0,0 +1,33 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+fn foo() {}
+
+#[wasm_bindgen]
+pub const fn foo2() {}
+
+#[wasm_bindgen]
+struct Foo<T>(T);
+
+#[wasm_bindgen]
+extern "C" {
+    static mut FOO: u32;
+
+    pub fn foo3(x: i32, ...);
+}
+
+#[wasm_bindgen]
+extern "system" {
+}
+
+#[wasm_bindgen]
+pub fn foo4<T>() {}
+#[wasm_bindgen]
+pub fn foo5<'a>() {}
+#[wasm_bindgen]
+pub fn foo6<'a, T>() {}
+
+#[wasm_bindgen]
+trait X {}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-items.stderr b/vendor/wasm-bindgen-macro/ui-tests/invalid-items.stderr
new file mode 100644
index 000000000..1800ade29
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-items.stderr
@@ -0,0 +1,59 @@
+error: can only #[wasm_bindgen] public functions
+ --> $DIR/invalid-items.rs:4:1
+  |
+4 | fn foo() {}
+  | ^^^^^^^^^^^
+
+error: can only #[wasm_bindgen] non-const functions
+ --> $DIR/invalid-items.rs:7:5
+  |
+7 | pub const fn foo2() {}
+  |     ^^^^^
+
+error: structs with #[wasm_bindgen] cannot have lifetime or type parameters currently
+  --> $DIR/invalid-items.rs:10:11
+   |
+10 | struct Foo<T>(T);
+   |           ^^^
+
+error: cannot import mutable globals yet
+  --> $DIR/invalid-items.rs:14:12
+   |
+14 |     static mut FOO: u32;
+   |            ^^^
+
+error: can't #[wasm_bindgen] variadic functions
+  --> $DIR/invalid-items.rs:16:25
+   |
+16 |     pub fn foo3(x: i32, ...);
+   |                         ^^^
+
+error: only foreign mods with the `C` ABI are allowed
+  --> $DIR/invalid-items.rs:20:8
+   |
+20 | extern "system" {
+   |        ^^^^^^^^
+
+error: can't #[wasm_bindgen] functions with lifetime or type parameters
+  --> $DIR/invalid-items.rs:24:12
+   |
+24 | pub fn foo4<T>() {}
+   |            ^^^
+
+error: can't #[wasm_bindgen] functions with lifetime or type parameters
+  --> $DIR/invalid-items.rs:26:12
+   |
+26 | pub fn foo5<'a>() {}
+   |            ^^^^
+
+error: can't #[wasm_bindgen] functions with lifetime or type parameters
+  --> $DIR/invalid-items.rs:28:12
+   |
+28 | pub fn foo6<'a, T>() {}
+   |            ^^^^^^^
+
+error: #[wasm_bindgen] can only be applied to a function, struct, enum, impl, or extern block
+  --> $DIR/invalid-items.rs:31:1
+   |
+31 | trait X {}
+   | ^^^^^^^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-methods.rs b/vendor/wasm-bindgen-macro/ui-tests/invalid-methods.rs
new file mode 100644
index 000000000..bd69e6d31
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-methods.rs
@@ -0,0 +1,42 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub struct A;
+
+#[wasm_bindgen]
+default impl A {
+}
+
+#[wasm_bindgen]
+unsafe impl A {
+}
+
+#[wasm_bindgen]
+impl Clone for A {
+}
+
+#[wasm_bindgen]
+impl<T> A {
+}
+
+#[wasm_bindgen]
+impl &'static A {
+}
+
+macro_rules! x { () => () }
+
+#[wasm_bindgen]
+impl A {
+    const X: u32 = 3;
+    type Y = u32;
+    x!();
+
+    // pub default fn foo() {} // TODO: compiler's pretty printer totally broken
+}
+
+#[wasm_bindgen]
+impl A {
+    pub const fn foo() {}
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-methods.stderr b/vendor/wasm-bindgen-macro/ui-tests/invalid-methods.stderr
new file mode 100644
index 000000000..a785fc1ff
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-methods.stderr
@@ -0,0 +1,61 @@
+error: #[wasm_bindgen] default impls are not supported
+ --> $DIR/invalid-methods.rs:7:1
+  |
+7 | default impl A {
+  | ^^^^^^^
+
+error: #[wasm_bindgen] unsafe impls are not supported
+  --> $DIR/invalid-methods.rs:11:1
+   |
+11 | unsafe impl A {
+   | ^^^^^^
+
+error: #[wasm_bindgen] trait impls are not supported
+  --> $DIR/invalid-methods.rs:15:6
+   |
+15 | impl Clone for A {
+   |      ^^^^^
+
+error: #[wasm_bindgen] generic impls aren't supported
+  --> $DIR/invalid-methods.rs:19:5
+   |
+19 | impl<T> A {
+   |     ^^^
+
+error: unsupported self type in #[wasm_bindgen] impl
+  --> $DIR/invalid-methods.rs:23:6
+   |
+23 | impl &'static A {
+   |      ^^^^^^^^^^
+
+error: const definitions aren't supported with #[wasm_bindgen]
+  --> $DIR/invalid-methods.rs:30:5
+   |
+30 |     const X: u32 = 3;
+   |     ^^^^^^^^^^^^^^^^^
+
+error: type definitions in impls aren't supported with #[wasm_bindgen]
+  --> $DIR/invalid-methods.rs:31:5
+   |
+31 |     type Y = u32;
+   |     ^^^^^^^^^^^^^
+
+error: macros in impls aren't supported
+  --> $DIR/invalid-methods.rs:32:5
+   |
+32 |     x!();
+   |     ^^^^^
+
+error: can only #[wasm_bindgen] non-const functions
+  --> $DIR/invalid-methods.rs:39:9
+   |
+39 |     pub const fn foo() {}
+   |         ^^^^^
+
+warning: unused macro definition
+  --> $DIR/invalid-methods.rs:26:1
+   |
+26 | macro_rules! x { () => () }
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(unused_macros)]` on by default
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-setter.rs b/vendor/wasm-bindgen-macro/ui-tests/invalid-setter.rs
new file mode 100644
index 000000000..42d83879e
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-setter.rs
@@ -0,0 +1,18 @@
+
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    type A;
+
+    #[wasm_bindgen(setter, method)]
+    fn a(this: &A, b: i32);
+
+    #[wasm_bindgen(setter = x, method)]
+    fn b(this: &A, b: i32);
+
+    #[wasm_bindgen(setter, method, js_name = x)]
+    fn c(this: &A, b: i32);
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/invalid-setter.stderr b/vendor/wasm-bindgen-macro/ui-tests/invalid-setter.stderr
new file mode 100644
index 000000000..77e1509e9
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/invalid-setter.stderr
@@ -0,0 +1,5 @@
+error: setters must start with `set_`, found: a
+ --> $DIR/invalid-setter.rs:9:8
+  |
+9 |     fn a(this: &A, b: i32);
+  |        ^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/missing-catch.rs b/vendor/wasm-bindgen-macro/ui-tests/missing-catch.rs
new file mode 100644
index 000000000..962e2fad1
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/missing-catch.rs
@@ -0,0 +1,9 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+	#[wasm_bindgen]
+	pub fn foo() -> Result<JsValue, JsValue>;
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/missing-catch.stderr b/vendor/wasm-bindgen-macro/ui-tests/missing-catch.stderr
new file mode 100644
index 000000000..4c20dbe76
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/missing-catch.stderr
@@ -0,0 +1,17 @@
+error[E0277]: the trait bound `Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>: FromWasmAbi` is not satisfied
+  --> $DIR/missing-catch.rs:6:9
+   |
+6  |     pub fn foo() -> Result<JsValue, JsValue>;
+   |            ^^^ the trait `FromWasmAbi` is not implemented for `Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>`
+   |
+note: required by a bound in `FromWasmAbi`
+  --> $DIR/traits.rs:23:1
+   |
+23 | / pub trait FromWasmAbi: WasmDescribe {
+24 | |     /// The wasm ABI type that this converts from when coming back out from the
+25 | |     /// ABI boundary.
+26 | |     type Abi: WasmAbi;
+...  |
+35 | |     unsafe fn from_abi(js: Self::Abi) -> Self;
+36 | | }
+   | |_^ required by this bound in `FromWasmAbi`
diff --git a/vendor/wasm-bindgen-macro/ui-tests/non-public-function.rs b/vendor/wasm-bindgen-macro/ui-tests/non-public-function.rs
new file mode 100644
index 000000000..5f2e55874
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/non-public-function.rs
@@ -0,0 +1,6 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+fn foo() {}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/non-public-function.stderr b/vendor/wasm-bindgen-macro/ui-tests/non-public-function.stderr
new file mode 100644
index 000000000..02f2a329f
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/non-public-function.stderr
@@ -0,0 +1,5 @@
+error: can only #[wasm_bindgen] public functions
+ --> $DIR/non-public-function.rs:4:1
+  |
+4 | fn foo() {}
+  | ^^^^^^^^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/pub-not-copy.rs b/vendor/wasm-bindgen-macro/ui-tests/pub-not-copy.rs
new file mode 100644
index 000000000..b5f6b0cfb
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/pub-not-copy.rs
@@ -0,0 +1,8 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub struct A {
+    pub field: String,
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/pub-not-copy.stderr b/vendor/wasm-bindgen-macro/ui-tests/pub-not-copy.stderr
new file mode 100644
index 000000000..0cb088cd1
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/pub-not-copy.stderr
@@ -0,0 +1,12 @@
+error[E0277]: the trait bound `String: std::marker::Copy` is not satisfied
+ --> $DIR/pub-not-copy.rs:5:16
+  |
+5 |     pub field: String,
+  |                ^^^^^^ the trait `std::marker::Copy` is not implemented for `String`
+  |
+note: required by a bound in `assert_copy`
+ --> $DIR/pub-not-copy.rs:3:1
+  |
+3 | #[wasm_bindgen]
+  | ^^^^^^^^^^^^^^^ required by this bound in `assert_copy`
+  = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/wasm-bindgen-macro/ui-tests/start-function.rs b/vendor/wasm-bindgen-macro/ui-tests/start-function.rs
new file mode 100644
index 000000000..65ad90bf2
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/start-function.rs
@@ -0,0 +1,33 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen(start)]
+pub fn foo() {}
+
+#[wasm_bindgen(start)]
+pub fn foo2(x: u32) {}
+
+#[wasm_bindgen(start)]
+pub fn foo3<T>() {}
+
+#[wasm_bindgen(start)]
+pub fn foo4() -> Result<(), JsValue> { Ok(()) }
+
+#[wasm_bindgen(start)]
+pub fn foo5() -> Result<JsValue, ()> { Err(()) }
+
+#[wasm_bindgen(start)]
+pub fn foo6() -> Result<JsValue, JsValue> { Ok(JsValue::from(1u32)) }
+
+#[wasm_bindgen(start)]
+pub async fn foo_async1() {}
+
+#[wasm_bindgen(start)]
+pub async fn foo_async2() -> Result<(), JsValue> { Ok(()) }
+
+#[wasm_bindgen(start)]
+pub async fn foo_async3() -> Result<JsValue, ()> { Err(()) }
+
+#[wasm_bindgen(start)]
+pub async fn foo_async4() -> Result<JsValue, JsValue> { Ok(JsValue::from(1u32)) }
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/start-function.stderr b/vendor/wasm-bindgen-macro/ui-tests/start-function.stderr
new file mode 100644
index 000000000..8f459863d
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/start-function.stderr
@@ -0,0 +1,71 @@
+error: the start function cannot have arguments
+ --> ui-tests/start-function.rs:7:13
+  |
+7 | pub fn foo2(x: u32) {}
+  |             ^^^^^^
+
+error: the start function cannot have generics
+  --> ui-tests/start-function.rs:10:12
+   |
+10 | pub fn foo3<T>() {}
+   |            ^^^
+
+error[E0277]: the trait bound `Result<wasm_bindgen::JsValue, ()>: wasm_bindgen::__rt::Start` is not satisfied
+    --> ui-tests/start-function.rs:15:1
+     |
+15   | #[wasm_bindgen(start)]
+     | ^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen::__rt::Start` is not implemented for `Result<wasm_bindgen::JsValue, ()>`
+     |
+     = help: the following implementations were found:
+               <Result<(), E> as wasm_bindgen::__rt::Start>
+note: required by `start`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn start(self);
+     |         ^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>: wasm_bindgen::__rt::Start` is not satisfied
+    --> ui-tests/start-function.rs:18:1
+     |
+18   | #[wasm_bindgen(start)]
+     | ^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen::__rt::Start` is not implemented for `Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>`
+     |
+     = help: the following implementations were found:
+               <Result<(), E> as wasm_bindgen::__rt::Start>
+note: required by `start`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn start(self);
+     |         ^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `Result<wasm_bindgen::JsValue, ()>: wasm_bindgen::__rt::Start` is not satisfied
+    --> ui-tests/start-function.rs:27:1
+     |
+27   | #[wasm_bindgen(start)]
+     | ^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen::__rt::Start` is not implemented for `Result<wasm_bindgen::JsValue, ()>`
+     |
+     = help: the following implementations were found:
+               <Result<(), E> as wasm_bindgen::__rt::Start>
+note: required by `start`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn start(self);
+     |         ^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>: wasm_bindgen::__rt::Start` is not satisfied
+    --> ui-tests/start-function.rs:30:1
+     |
+30   | #[wasm_bindgen(start)]
+     | ^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen::__rt::Start` is not implemented for `Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>`
+     |
+     = help: the following implementations were found:
+               <Result<(), E> as wasm_bindgen::__rt::Start>
+note: required by `start`
+    --> $WORKSPACE/src/lib.rs
+     |
+     |         fn start(self);
+     |         ^^^^^^^^^^^^^^^
+     = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/wasm-bindgen-macro/ui-tests/structural-and-final.rs b/vendor/wasm-bindgen-macro/ui-tests/structural-and-final.rs
new file mode 100644
index 000000000..5c5a4ecce
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/structural-and-final.rs
@@ -0,0 +1,11 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    type Foo;
+
+    #[wasm_bindgen(method, structural, final)]
+    fn bar(this: &Foo);
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/structural-and-final.stderr b/vendor/wasm-bindgen-macro/ui-tests/structural-and-final.stderr
new file mode 100644
index 000000000..8c8a70387
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/structural-and-final.stderr
@@ -0,0 +1,5 @@
+error: cannot specify both `structural` and `final`
+ --> $DIR/structural-and-final.rs:7:40
+  |
+7 |     #[wasm_bindgen(method, structural, final)]
+  |                                        ^^^^^
diff --git a/vendor/wasm-bindgen-macro/ui-tests/traits-not-implemented.rs b/vendor/wasm-bindgen-macro/ui-tests/traits-not-implemented.rs
new file mode 100644
index 000000000..56c5900c0
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/traits-not-implemented.rs
@@ -0,0 +1,11 @@
+use wasm_bindgen::prelude::*;
+
+struct A;
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen]
+    pub fn foo(a: A);
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/traits-not-implemented.stderr b/vendor/wasm-bindgen-macro/ui-tests/traits-not-implemented.stderr
new file mode 100644
index 000000000..7b0f90f57
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/traits-not-implemented.stderr
@@ -0,0 +1,18 @@
+error[E0277]: the trait bound `A: IntoWasmAbi` is not satisfied
+  --> $DIR/traits-not-implemented.rs:5:1
+   |
+5  | #[wasm_bindgen]
+   | ^^^^^^^^^^^^^^^ the trait `IntoWasmAbi` is not implemented for `A`
+   |
+note: required by a bound in `IntoWasmAbi`
+  --> $DIR/traits.rs:9:1
+   |
+9  | / pub trait IntoWasmAbi: WasmDescribe {
+10 | |     /// The wasm ABI type that this converts into when crossing the ABI
+11 | |     /// boundary.
+12 | |     type Abi: WasmAbi;
+...  |
+16 | |     fn into_abi(self) -> Self::Abi;
+17 | | }
+   | |_^ required by this bound in `IntoWasmAbi`
+   = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/vendor/wasm-bindgen-macro/ui-tests/unknown-type-in-import.rs b/vendor/wasm-bindgen-macro/ui-tests/unknown-type-in-import.rs
new file mode 100644
index 000000000..1356a253e
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/unknown-type-in-import.rs
@@ -0,0 +1,10 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen]
+    pub fn foo(a: A);
+}
+
+fn main() {}
+
diff --git a/vendor/wasm-bindgen-macro/ui-tests/unknown-type-in-import.stderr b/vendor/wasm-bindgen-macro/ui-tests/unknown-type-in-import.stderr
new file mode 100644
index 000000000..e7bb64c53
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/unknown-type-in-import.stderr
@@ -0,0 +1,7 @@
+error[E0412]: cannot find type `A` in this scope
+ --> $DIR/unknown-type-in-import.rs:6:19
+  |
+6 |     pub fn foo(a: A);
+  |               -   ^ not found in this scope
+  |               |
+  |               help: you might be missing a type parameter: `<A>`
diff --git a/vendor/wasm-bindgen-macro/ui-tests/unused-attributes.rs b/vendor/wasm-bindgen-macro/ui-tests/unused-attributes.rs
new file mode 100644
index 000000000..f517dcc4b
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/unused-attributes.rs
@@ -0,0 +1,32 @@
+#![deny(unused_variables)]
+
+use wasm_bindgen::prelude::*;
+
+struct A {}
+
+#[wasm_bindgen]
+impl A {
+    #[wasm_bindgen(method)]
+    pub fn foo() {}
+}
+
+#[wasm_bindgen]
+pub struct MyStruct {
+    hello: String,
+}
+
+#[wasm_bindgen(getter, typescript_custom_section)]
+pub const FOO: &'static str = "FOO";
+
+#[wasm_bindgen(readonly)]
+pub fn bar() {}
+
+#[wasm_bindgen(getter_with_clone, final)]
+impl MyStruct {
+    #[wasm_bindgen(getter, typescript_type = "Thing[]")]
+    pub fn hello(&self) -> String {
+        self.hello.clone()
+    }
+}
+
+fn main() {}
diff --git a/vendor/wasm-bindgen-macro/ui-tests/unused-attributes.stderr b/vendor/wasm-bindgen-macro/ui-tests/unused-attributes.stderr
new file mode 100644
index 000000000..c4ba32f08
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/unused-attributes.stderr
@@ -0,0 +1,41 @@
+error: unused variable: `method`
+ --> ui-tests/unused-attributes.rs:9:20
+  |
+9 |     #[wasm_bindgen(method)]
+  |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
+  |
+note: the lint level is defined here
+ --> ui-tests/unused-attributes.rs:1:9
+  |
+1 | #![deny(unused_variables)]
+  |         ^^^^^^^^^^^^^^^^
+
+error: unused variable: `getter`
+  --> ui-tests/unused-attributes.rs:18:16
+   |
+18 | #[wasm_bindgen(getter, typescript_custom_section)]
+   |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_getter`
+
+error: unused variable: `readonly`
+  --> ui-tests/unused-attributes.rs:21:16
+   |
+21 | #[wasm_bindgen(readonly)]
+   |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_readonly`
+
+error: unused variable: `getter_with_clone`
+  --> ui-tests/unused-attributes.rs:24:16
+   |
+24 | #[wasm_bindgen(getter_with_clone, final)]
+   |                ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_getter_with_clone`
+
+error: unused variable: `final`
+  --> ui-tests/unused-attributes.rs:24:35
+   |
+24 | #[wasm_bindgen(getter_with_clone, final)]
+   |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_final`
+
+error: unused variable: `typescript_type`
+  --> ui-tests/unused-attributes.rs:26:28
+   |
+26 |     #[wasm_bindgen(getter, typescript_type = "Thing[]")]
+   |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_typescript_type`
diff --git a/vendor/wasm-bindgen-macro/ui-tests/update-all-references.sh b/vendor/wasm-bindgen-macro/ui-tests/update-all-references.sh
new file mode 100755
index 000000000..7b757a479
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/update-all-references.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+# Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+# A script to update the references for all tests. The idea is that
+# you do a run, which will generate files in the build directory
+# containing the (normalized) actual output of the compiler. You then
+# run this script, which will copy those files over. If you find
+# yourself manually editing a foo.stderr file, you're doing it wrong.
+#
+# See all `update-references.sh`, if you just want to update a single test.
+
+MY_DIR=$(dirname $0)
+cd $MY_DIR
+find . -name '*.rs' | xargs ./update-references.sh
diff --git a/vendor/wasm-bindgen-macro/ui-tests/update-references.sh b/vendor/wasm-bindgen-macro/ui-tests/update-references.sh
new file mode 100755
index 000000000..19a6d4888
--- /dev/null
+++ b/vendor/wasm-bindgen-macro/ui-tests/update-references.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+#
+# Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+# A script to update the references for particular tests. The idea is
+# that you do a run, which will generate files in the build directory
+# containing the (normalized) actual output of the compiler. This
+# script will then copy that output and replace the "expected output"
+# files. You can then commit the changes.
+#
+# If you find yourself manually editing a foo.stderr file, you're
+# doing it wrong.
+
+MYDIR=$(dirname $0)
+
+BUILD_DIR="../../../target/tests/ui"
+
+while [[ "$1" != "" ]]; do
+    STDERR_NAME="${1/%.rs/.stderr}"
+    STDOUT_NAME="${1/%.rs/.stdout}"
+    shift
+    if [ -f $BUILD_DIR/$STDOUT_NAME ] && \
+           ! (diff $BUILD_DIR/$STDOUT_NAME $MYDIR/$STDOUT_NAME >& /dev/null); then
+        echo updating $MYDIR/$STDOUT_NAME
+        cp $BUILD_DIR/$STDOUT_NAME $MYDIR/$STDOUT_NAME
+    fi
+    if [ -f $BUILD_DIR/$STDERR_NAME ] && \
+           ! (diff $BUILD_DIR/$STDERR_NAME $MYDIR/$STDERR_NAME >& /dev/null); then
+        echo updating $MYDIR/$STDERR_NAME
+        cp $BUILD_DIR/$STDERR_NAME $MYDIR/$STDERR_NAME
+    fi
+done
+
+