From 631cd5845e8de329d0e227aaa707d7ea228b8f8f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:20:29 +0200
Subject: Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/traits/new-solver/fn-trait.stderr | 124 +++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 tests/ui/traits/new-solver/fn-trait.stderr

(limited to 'tests/ui/traits/new-solver/fn-trait.stderr')

diff --git a/tests/ui/traits/new-solver/fn-trait.stderr b/tests/ui/traits/new-solver/fn-trait.stderr
new file mode 100644
index 000000000..d52bcaf25
--- /dev/null
+++ b/tests/ui/traits/new-solver/fn-trait.stderr
@@ -0,0 +1,124 @@
+error[E0277]: expected a `Fn<()>` closure, found `unsafe fn() -> i32`
+  --> $DIR/fn-trait.rs:20:16
+   |
+LL |     require_fn(f as unsafe fn() -> i32);
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^ call the function in a closure: `|| unsafe { /* code */ }`
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = help: the trait `Fn<()>` is not implemented for `unsafe fn() -> i32`
+   = note: wrap the `unsafe fn() -> i32` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:23
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                       ^^^^^^^^^^^ required by this bound in `require_fn`
+
+error[E0271]: type mismatch resolving `<unsafe fn() -> i32 as FnOnce<()>>::Output == i32`
+  --> $DIR/fn-trait.rs:20:16
+   |
+LL |     require_fn(f as unsafe fn() -> i32);
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^ types differ
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:31
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                               ^^^ required by this bound in `require_fn`
+
+error[E0277]: expected a `Fn<()>` closure, found `extern "C" fn() -> i32 {g}`
+  --> $DIR/fn-trait.rs:23:16
+   |
+LL |     require_fn(g);
+   |     ---------- ^ expected an `Fn<()>` closure, found `extern "C" fn() -> i32 {g}`
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = help: the trait `Fn<()>` is not implemented for fn item `extern "C" fn() -> i32 {g}`
+   = note: wrap the `extern "C" fn() -> i32 {g}` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:23
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                       ^^^^^^^^^^^ required by this bound in `require_fn`
+
+error[E0271]: type mismatch resolving `<extern "C" fn() -> i32 {g} as FnOnce<()>>::Output == i32`
+  --> $DIR/fn-trait.rs:23:16
+   |
+LL |     require_fn(g);
+   |     ---------- ^ types differ
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:31
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                               ^^^ required by this bound in `require_fn`
+
+error[E0277]: expected a `Fn<()>` closure, found `extern "C" fn() -> i32`
+  --> $DIR/fn-trait.rs:26:16
+   |
+LL |     require_fn(g as extern "C" fn() -> i32);
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an `Fn<()>` closure, found `extern "C" fn() -> i32`
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = help: the trait `Fn<()>` is not implemented for `extern "C" fn() -> i32`
+   = note: wrap the `extern "C" fn() -> i32` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:23
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                       ^^^^^^^^^^^ required by this bound in `require_fn`
+
+error[E0271]: type mismatch resolving `<extern "C" fn() -> i32 as FnOnce<()>>::Output == i32`
+  --> $DIR/fn-trait.rs:26:16
+   |
+LL |     require_fn(g as extern "C" fn() -> i32);
+   |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:31
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                               ^^^ required by this bound in `require_fn`
+
+error[E0277]: expected a `Fn<()>` closure, found `unsafe fn() -> i32 {h}`
+  --> $DIR/fn-trait.rs:29:16
+   |
+LL |     require_fn(h);
+   |     ---------- ^ call the function in a closure: `|| unsafe { /* code */ }`
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = help: the trait `Fn<()>` is not implemented for fn item `unsafe fn() -> i32 {h}`
+   = note: wrap the `unsafe fn() -> i32 {h}` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:23
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                       ^^^^^^^^^^^ required by this bound in `require_fn`
+
+error[E0271]: type mismatch resolving `<unsafe fn() -> i32 {h} as FnOnce<()>>::Output == i32`
+  --> $DIR/fn-trait.rs:29:16
+   |
+LL |     require_fn(h);
+   |     ---------- ^ types differ
+   |     |
+   |     required by a bound introduced by this call
+   |
+note: required by a bound in `require_fn`
+  --> $DIR/fn-trait.rs:3:31
+   |
+LL | fn require_fn(_: impl Fn() -> i32) {}
+   |                               ^^^ required by this bound in `require_fn`
+
+error: aborting due to 8 previous errors
+
+Some errors have detailed explanations: E0271, E0277.
+For more information about an error, try `rustc --explain E0271`.
-- 
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