Bless output

Author: ecstatic-morse

src/test/ui/consts/const-eval/mod-static-with-const-fn.stderr

@@ -1,5 +1,5 @@
 error[E0658]: mutation through a reference is not allowed in statics
-  --> $DIR/mod-static-with-const-fn.rs:15:5
+  --> $DIR/mod-static-with-const-fn.rs:16:5
    |
 LL |     *FOO.0.get() = 5;
    |     ^^^^^^^^^^^^^^^^

src/test/ui/consts/const-extern-fn/const-extern-fn-min-const-fn.rs

@@ -3,6 +3,7 @@
 const extern fn unsize(x: &[u8; 3]) -> &[u8] { x }
 const unsafe extern "C" fn closure() -> fn() { || {} }
 //~^ ERROR function pointer
+//~| ERROR function pointer cast
 const unsafe extern fn use_float() { 1.0 + 1.0; }
 //~^ ERROR floating point arithmetic
 const extern "C" fn ptr_cast(val: *const u8) { val as usize; }

src/test/ui/consts/const-extern-fn/const-extern-fn-min-const-fn.stderr

@@ -1,4 +1,13 @@
 error[E0658]: function pointers cannot appear in constant functions
+  --> $DIR/const-extern-fn-min-const-fn.rs:4:41
+   |
+LL | const unsafe extern "C" fn closure() -> fn() { || {} }
+   |                                         ^^^^
+   |
+   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
+   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
+
+error[E0658]: function pointer casts are not allowed in constant functions
   --> $DIR/const-extern-fn-min-const-fn.rs:4:48
    |
 LL | const unsafe extern "C" fn closure() -> fn() { || {} }
@@ -8,7 +17,7 @@ LL | const unsafe extern "C" fn closure() -> fn() { || {} }
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
 error[E0658]: floating point arithmetic is not allowed in constant functions
-  --> $DIR/const-extern-fn-min-const-fn.rs:6:38
+  --> $DIR/const-extern-fn-min-const-fn.rs:7:38
    |
 LL | const unsafe extern fn use_float() { 1.0 + 1.0; }
    |                                      ^^^^^^^^^
@@ -17,14 +26,14 @@ LL | const unsafe extern fn use_float() { 1.0 + 1.0; }
    = help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
 
 error[E0658]: casting pointers to integers in constant functions is unstable
-  --> $DIR/const-extern-fn-min-const-fn.rs:8:48
+  --> $DIR/const-extern-fn-min-const-fn.rs:9:48
    |
 LL | const extern "C" fn ptr_cast(val: *const u8) { val as usize; }
    |                                                ^^^^^^^^^^^^
    |
    = note: see issue #51910 <https://github.com/rust-lang/rust/issues/51910> for more information
    = help: add `#![feature(const_raw_ptr_to_usize_cast)]` to the crate attributes to enable
 
-error: aborting due to 3 previous errors
+error: aborting due to 4 previous errors
 
 For more information about this error, try `rustc --explain E0658`.

src/test/ui/consts/min_const_fn/cast_errors.rs

@@ -3,11 +3,15 @@ fn main() {}
 const fn unsize(x: &[u8; 3]) -> &[u8] { x }
 const fn closure() -> fn() { || {} }
 //~^ ERROR function pointer
+//~| ERROR function pointer cast
 const fn closure2() {
     (|| {}) as fn();
 //~^ ERROR function pointer
 }
 const fn reify(f: fn()) -> unsafe fn() { f }
 //~^ ERROR function pointer
+//~| ERROR function pointer
+//~| ERROR function pointer cast
 const fn reify2() { main as unsafe fn(); }
 //~^ ERROR function pointer
+//~| ERROR function pointer cast

src/test/ui/consts/min_const_fn/cast_errors.stderr

@@ -1,4 +1,13 @@
 error[E0658]: function pointers cannot appear in constant functions
+  --> $DIR/cast_errors.rs:4:23
+   |
+LL | const fn closure() -> fn() { || {} }
+   |                       ^^^^
+   |
+   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
+   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
+
+error[E0658]: function pointer casts are not allowed in constant functions
   --> $DIR/cast_errors.rs:4:30
    |
 LL | const fn closure() -> fn() { || {} }
@@ -7,17 +16,17 @@ LL | const fn closure() -> fn() { || {} }
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
-error[E0658]: function pointers cannot appear in constant functions
-  --> $DIR/cast_errors.rs:7:5
+error[E0658]: function pointer casts are not allowed in constant functions
+  --> $DIR/cast_errors.rs:8:5
    |
 LL |     (|| {}) as fn();
-   |     ^^^^^^^^^^^^^^^
+   |     ^^^^^^^
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
 error[E0658]: function pointers cannot appear in constant functions
-  --> $DIR/cast_errors.rs:10:16
+  --> $DIR/cast_errors.rs:11:16
    |
 LL | const fn reify(f: fn()) -> unsafe fn() { f }
    |                ^
@@ -26,14 +35,41 @@ LL | const fn reify(f: fn()) -> unsafe fn() { f }
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
 error[E0658]: function pointers cannot appear in constant functions
-  --> $DIR/cast_errors.rs:12:21
+  --> $DIR/cast_errors.rs:11:28
+   |
+LL | const fn reify(f: fn()) -> unsafe fn() { f }
+   |                            ^^^^^^^^^^^
+   |
+   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
+   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
+
+error[E0658]: function pointer casts are not allowed in constant functions
+  --> $DIR/cast_errors.rs:11:42
+   |
+LL | const fn reify(f: fn()) -> unsafe fn() { f }
+   |                                          ^
+   |
+   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
+   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
+
+error[E0658]: function pointer casts are not allowed in constant functions
+  --> $DIR/cast_errors.rs:15:21
+   |
+LL | const fn reify2() { main as unsafe fn(); }
+   |                     ^^^^
+   |
+   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
+   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
+
+error[E0658]: function pointer casts are not allowed in constant functions
+  --> $DIR/cast_errors.rs:15:21
    |
 LL | const fn reify2() { main as unsafe fn(); }
-   |                     ^^^^^^^^^^^^^^^^^^^
+   |                     ^^^^
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
-error: aborting due to 4 previous errors
+error: aborting due to 8 previous errors
 
 For more information about this error, try `rustc --explain E0658`.

src/test/ui/consts/min_const_fn/cmp_fn_pointers.rs

@@ -1,5 +1,8 @@
-const fn cmp(x: fn(), y: fn()) -> bool { //~ ERROR function pointer
+const fn cmp(x: fn(), y: fn()) -> bool {
+    //~^ ERROR function pointer
+    //~| ERROR function pointer
     unsafe { x == y }
+    //~^ ERROR pointers cannot be reliably compared
 }
 
 fn main() {}

src/test/ui/consts/min_const_fn/cmp_fn_pointers.stderr

@@ -7,6 +7,23 @@ LL | const fn cmp(x: fn(), y: fn()) -> bool {
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
-error: aborting due to previous error
+error[E0658]: function pointers cannot appear in constant functions
+  --> $DIR/cmp_fn_pointers.rs:1:23
+   |
+LL | const fn cmp(x: fn(), y: fn()) -> bool {
+   |                       ^
+   |
+   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
+   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
+
+error: pointers cannot be reliably compared during const eval.
+  --> $DIR/cmp_fn_pointers.rs:4:14
+   |
+LL |     unsafe { x == y }
+   |              ^^^^^^
+   |
+   = note: see issue #53020 <https://github.com/rust-lang/rust/issues/53020> for more information
+
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0658`.

src/test/ui/consts/min_const_fn/min_const_fn.rs

@@ -139,3 +139,4 @@ const fn no_fn_ptrs(_x: fn()) {}
 //~^ ERROR function pointer
 const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
 //~^ ERROR function pointer
+//~| ERROR function pointer cast

src/test/ui/consts/min_const_fn/min_const_fn.stderr

@@ -299,7 +299,16 @@ LL | const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
-error: aborting due to 34 previous errors
+error[E0658]: function pointer casts are not allowed in constant functions
+  --> $DIR/min_const_fn.rs:140:46
+   |
+LL | const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
+   |                                              ^^^
+   |
+   = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
+   = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
+
+error: aborting due to 35 previous errors
 
 Some errors have detailed explanations: E0013, E0493, E0658, E0723.
 For more information about an error, try `rustc --explain E0013`.

src/test/ui/consts/min_const_fn/min_const_fn_fn_ptr.stderr

@@ -7,7 +7,7 @@ LL |     x.0.field;
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_fn_ptr_basics)]` to the crate attributes to enable
 
-error[E0658]: function pointers cannot appear in constant functions
+error[E0658]: function pointer casts are not allowed in constant functions
   --> $DIR/min_const_fn_fn_ptr.rs:16:59
    |
 LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasPtr { field }) }