Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

10 files changed, 194 insertions, 0 deletions

diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.rs b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.rs
new file mode 100644
index 000000000..30c381745
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.rs
@@ -0,0 +1,9 @@
+// The trait must not be available if its feature flag is absent.
+
+#![crate_type = "lib"]
+
+use std::mem::BikeshedIntrinsicFrom;
+//~^ ERROR use of unstable library feature 'transmutability' [E0658]
+
+use std::mem::Assume;
+//~^ ERROR use of unstable library feature 'transmutability' [E0658]
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.stderr b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.stderr
new file mode 100644
index 000000000..ba8093f86
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.stderr
@@ -0,0 +1,21 @@
+error[E0658]: use of unstable library feature 'transmutability'
+  --> $DIR/feature-missing.rs:5:5
+   |
+LL | use std::mem::BikeshedIntrinsicFrom;
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #99571 <https://github.com/rust-lang/rust/issues/99571> for more information
+   = help: add `#![feature(transmutability)]` to the crate attributes to enable
+
+error[E0658]: use of unstable library feature 'transmutability'
+  --> $DIR/feature-missing.rs:8:5
+   |
+LL | use std::mem::Assume;
+   |     ^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #99571 <https://github.com/rust-lang/rust/issues/99571> for more information
+   = help: add `#![feature(transmutability)]` to the crate attributes to enable
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/unknown_dst.rs b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_dst.rs
new file mode 100644
index 000000000..e13462d39
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_dst.rs
@@ -0,0 +1,21 @@
+// An unknown destination type should be gracefully handled.
+
+#![crate_type = "lib"]
+#![feature(transmutability)]
+#![allow(dead_code, incomplete_features, non_camel_case_types)]
+
+mod assert {
+    use std::mem::BikeshedIntrinsicFrom;
+    pub struct Context;
+
+    pub fn is_transmutable<Src, Dst, Context>()
+    where
+        Dst: BikeshedIntrinsicFrom<Src, Context, false, false, false, false>
+    {}
+}
+
+fn should_gracefully_handle_unknown_dst() {
+    struct Context;
+    struct Src;
+    assert::is_transmutable::<Src, Dst, Context>(); //~ cannot find type
+}
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/unknown_dst.stderr b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_dst.stderr
new file mode 100644
index 000000000..85087282d
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_dst.stderr
@@ -0,0 +1,12 @@
+error[E0412]: cannot find type `Dst` in this scope
+  --> $DIR/unknown_dst.rs:20:36
+   |
+LL | fn should_gracefully_handle_unknown_dst() {
+   |                                        - help: you might be missing a type parameter: `<Dst>`
+...
+LL |     assert::is_transmutable::<Src, Dst, Context>();
+   |                                    ^^^ not found in this scope
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0412`.
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src.rs b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src.rs
new file mode 100644
index 000000000..dc51e2a8f
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src.rs
@@ -0,0 +1,21 @@
+// An unknown source type should be gracefully handled.
+
+#![crate_type = "lib"]
+#![feature(transmutability)]
+#![allow(dead_code, incomplete_features, non_camel_case_types)]
+
+mod assert {
+    use std::mem::BikeshedIntrinsicFrom;
+    pub struct Context;
+
+    pub fn is_transmutable<Src, Dst, Context>()
+    where
+        Dst: BikeshedIntrinsicFrom<Src, Context, false, false, false, false>
+    {}
+}
+
+fn should_gracefully_handle_unknown_src() {
+    struct Context;
+    #[repr(C)] struct Dst;
+    assert::is_transmutable::<Src, Dst, Context>(); //~ cannot find type
+}
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src.stderr b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src.stderr
new file mode 100644
index 000000000..9bedbe87c
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src.stderr
@@ -0,0 +1,12 @@
+error[E0412]: cannot find type `Src` in this scope
+  --> $DIR/unknown_src.rs:20:31
+   |
+LL | fn should_gracefully_handle_unknown_src() {
+   |                                        - help: you might be missing a type parameter: `<Src>`
+...
+LL |     assert::is_transmutable::<Src, Dst, Context>();
+   |                               ^^^ not found in this scope
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0412`.
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src_field.rs b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src_field.rs
new file mode 100644
index 000000000..86fc8bd6b
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src_field.rs
@@ -0,0 +1,22 @@
+// An unknown destination type should be gracefully handled.
+
+#![crate_type = "lib"]
+#![feature(transmutability)]
+#![allow(dead_code, incomplete_features, non_camel_case_types)]
+
+mod assert {
+    use std::mem::BikeshedIntrinsicFrom;
+    pub struct Context;
+
+    pub fn is_transmutable<Src, Dst, Context>()
+    where
+        Dst: BikeshedIntrinsicFrom<Src, Context, false, false, false, false>
+    {}
+}
+
+fn should_gracefully_handle_unknown_dst_field() {
+    struct Context;
+    #[repr(C)] struct Src;
+    #[repr(C)] struct Dst(Missing); //~ cannot find type
+    assert::is_transmutable::<Src, Dst, Context>();
+}
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src_field.stderr b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src_field.stderr
new file mode 100644
index 000000000..475e6f429
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/unknown_src_field.stderr
@@ -0,0 +1,9 @@
+error[E0412]: cannot find type `Missing` in this scope
+  --> $DIR/unknown_src_field.rs:20:27
+   |
+LL |     #[repr(C)] struct Dst(Missing);
+   |                           ^^^^^^^ not found in this scope
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0412`.
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs
new file mode 100644
index 000000000..bd36748e7
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.rs
@@ -0,0 +1,40 @@
+//! The implementation must behave well if const values of wrong types are
+//! provided.
+
+#![crate_type = "lib"]
+#![feature(transmutability)]
+#![allow(dead_code, incomplete_features, non_camel_case_types)]
+
+mod assert {
+    use std::mem::BikeshedIntrinsicFrom;
+
+    pub fn is_transmutable<
+        Src,
+        Dst,
+        Context,
+        const ASSUME_ALIGNMENT: bool,
+        const ASSUME_LIFETIMES: bool,
+        const ASSUME_VALIDITY: bool,
+        const ASSUME_VISIBILITY: bool,
+    >()
+    where
+        Dst: BikeshedIntrinsicFrom<
+            Src,
+            Context,
+            ASSUME_ALIGNMENT,
+            ASSUME_LIFETIMES,
+            ASSUME_VALIDITY,
+            ASSUME_VISIBILITY,
+        >,
+    {}
+}
+
+fn test() {
+    struct Context;
+    #[repr(C)] struct Src;
+    #[repr(C)] struct Dst;
+    assert::is_transmutable::<Src, Dst, Context, {0u8}, false, false, false>(); //~ ERROR mismatched types
+    assert::is_transmutable::<Src, Dst, Context, false, {0u8}, false, false>(); //~ ERROR mismatched types
+    assert::is_transmutable::<Src, Dst, Context, false, false, {0u8}, false>(); //~ ERROR mismatched types
+    assert::is_transmutable::<Src, Dst, Context, false, false, false, {0u8}>(); //~ ERROR mismatched types
+}
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.stderr b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.stderr
new file mode 100644
index 000000000..e1464e023
--- /dev/null
+++ b/src/test/ui/transmutability/malformed-program-gracefulness/wrong-type-assume.stderr
@@ -0,0 +1,27 @@
+error[E0308]: mismatched types
+  --> $DIR/wrong-type-assume.rs:36:51
+   |
+LL |     assert::is_transmutable::<Src, Dst, Context, {0u8}, false, false, false>();
+   |                                                   ^^^ expected `bool`, found `u8`
+
+error[E0308]: mismatched types
+  --> $DIR/wrong-type-assume.rs:37:58
+   |
+LL |     assert::is_transmutable::<Src, Dst, Context, false, {0u8}, false, false>();
+   |                                                          ^^^ expected `bool`, found `u8`
+
+error[E0308]: mismatched types
+  --> $DIR/wrong-type-assume.rs:38:65
+   |
+LL |     assert::is_transmutable::<Src, Dst, Context, false, false, {0u8}, false>();
+   |                                                                 ^^^ expected `bool`, found `u8`
+
+error[E0308]: mismatched types
+  --> $DIR/wrong-type-assume.rs:39:72
+   |
+LL |     assert::is_transmutable::<Src, Dst, Context, false, false, false, {0u8}>();
+   |                                                                        ^^^ expected `bool`, found `u8`
+
+error: aborting due to 4 previous errors
+
+For more information about this error, try `rustc --explain E0308`.