1 files changed, 359 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/const-arg-in-const-arg.min.stderr b/src/test/ui/const-generics/const-arg-in-const-arg.min.stderr
new file mode 100644
index 000000000..f1353aa99
--- /dev/null
+++ b/src/test/ui/const-generics/const-arg-in-const-arg.min.stderr
@@ -0,0 +1,359 @@
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:13:23
+   |
+LL |     let _: [u8; foo::<T>()];
+   |                       ^ cannot perform const operation using `T`
+   |
+   = note: type parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:15:23
+   |
+LL |     let _: [u8; bar::<N>()];
+   |                       ^ cannot perform const operation using `N`
+   |
+   = help: const parameters may only be used as standalone arguments, i.e. `N`
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:18:23
+   |
+LL |     let _: [u8; faz::<'a>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:20:23
+   |
+LL |     let _: [u8; baz::<'a>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:21:23
+   |
+LL |     let _: [u8; faz::<'b>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:23:23
+   |
+LL |     let _: [u8; baz::<'b>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:27:23
+   |
+LL |     let _ = [0; bar::<N>()];
+   |                       ^ cannot perform const operation using `N`
+   |
+   = help: const parameters may only be used as standalone arguments, i.e. `N`
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:30:23
+   |
+LL |     let _ = [0; faz::<'a>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:32:23
+   |
+LL |     let _ = [0; baz::<'a>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:33:23
+   |
+LL |     let _ = [0; faz::<'b>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:35:23
+   |
+LL |     let _ = [0; baz::<'b>(&())];
+   |                       ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:36:24
+   |
+LL |     let _: Foo<{ foo::<T>() }>;
+   |                        ^ cannot perform const operation using `T`
+   |
+   = note: type parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:38:24
+   |
+LL |     let _: Foo<{ bar::<N>() }>;
+   |                        ^ cannot perform const operation using `N`
+   |
+   = help: const parameters may only be used as standalone arguments, i.e. `N`
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:41:24
+   |
+LL |     let _: Foo<{ faz::<'a>(&()) }>;
+   |                        ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:43:24
+   |
+LL |     let _: Foo<{ baz::<'a>(&()) }>;
+   |                        ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:44:24
+   |
+LL |     let _: Foo<{ faz::<'b>(&()) }>;
+   |                        ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:46:24
+   |
+LL |     let _: Foo<{ baz::<'b>(&()) }>;
+   |                        ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:47:27
+   |
+LL |     let _ = Foo::<{ foo::<T>() }>;
+   |                           ^ cannot perform const operation using `T`
+   |
+   = note: type parameters may not be used in const expressions
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+error: generic parameters may not be used in const operations
+  --> $DIR/const-arg-in-const-arg.rs:49:27
+   |
+LL |     let _ = Foo::<{ bar::<N>() }>;
+   |                           ^ cannot perform const operation using `N`
+   |
+   = help: const parameters may only be used as standalone arguments, i.e. `N`
+   = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:52:27
+   |
+LL |     let _ = Foo::<{ faz::<'a>(&()) }>;
+   |                           ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:54:27
+   |
+LL |     let _ = Foo::<{ baz::<'a>(&()) }>;
+   |                           ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:55:27
+   |
+LL |     let _ = Foo::<{ faz::<'b>(&()) }>;
+   |                           ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/const-arg-in-const-arg.rs:57:27
+   |
+LL |     let _ = Foo::<{ baz::<'b>(&()) }>;
+   |                           ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0747]: unresolved item provided when a constant was expected
+  --> $DIR/const-arg-in-const-arg.rs:15:23
+   |
+LL |     let _: [u8; bar::<N>()];
+   |                       ^
+   |
+help: if this generic argument was intended as a const parameter, surround it with braces
+   |
+LL |     let _: [u8; bar::<{ N }>()];
+   |                       +   +
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:18:23
+   |
+LL |     let _: [u8; faz::<'a>(&())];
+   |                       ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:21:23
+   |
+LL |     let _: [u8; faz::<'b>(&())];
+   |                       ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error[E0747]: unresolved item provided when a constant was expected
+  --> $DIR/const-arg-in-const-arg.rs:38:24
+   |
+LL |     let _: Foo<{ bar::<N>() }>;
+   |                        ^
+   |
+help: if this generic argument was intended as a const parameter, surround it with braces
+   |
+LL |     let _: Foo<{ bar::<{ N }>() }>;
+   |                        +   +
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:41:24
+   |
+LL |     let _: Foo<{ faz::<'a>(&()) }>;
+   |                        ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:44:24
+   |
+LL |     let _: Foo<{ faz::<'b>(&()) }>;
+   |                        ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error: constant expression depends on a generic parameter
+  --> $DIR/const-arg-in-const-arg.rs:25:17
+   |
+LL |     let _ = [0; foo::<T>()];
+   |                 ^^^^^^^^^^
+   |
+   = note: this may fail depending on what value the parameter takes
+
+error[E0747]: unresolved item provided when a constant was expected
+  --> $DIR/const-arg-in-const-arg.rs:27:23
+   |
+LL |     let _ = [0; bar::<N>()];
+   |                       ^
+   |
+help: if this generic argument was intended as a const parameter, surround it with braces
+   |
+LL |     let _ = [0; bar::<{ N }>()];
+   |                       +   +
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:30:23
+   |
+LL |     let _ = [0; faz::<'a>(&())];
+   |                       ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:33:23
+   |
+LL |     let _ = [0; faz::<'b>(&())];
+   |                       ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error[E0747]: unresolved item provided when a constant was expected
+  --> $DIR/const-arg-in-const-arg.rs:49:27
+   |
+LL |     let _ = Foo::<{ bar::<N>() }>;
+   |                           ^
+   |
+help: if this generic argument was intended as a const parameter, surround it with braces
+   |
+LL |     let _ = Foo::<{ bar::<{ N }>() }>;
+   |                           +   +
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:52:27
+   |
+LL |     let _ = Foo::<{ faz::<'a>(&()) }>;
+   |                           ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
+  --> $DIR/const-arg-in-const-arg.rs:55:27
+   |
+LL |     let _ = Foo::<{ faz::<'b>(&()) }>;
+   |                           ^^
+   |
+note: the late bound lifetime parameter is introduced here
+  --> $DIR/const-arg-in-const-arg.rs:8:14
+   |
+LL | const fn faz<'a>(_: &'a ()) -> usize { 13 }
+   |              ^^
+
+error: aborting due to 36 previous errors
+
+Some errors have detailed explanations: E0658, E0747.
+For more information about an error, try `rustc --explain E0658`.