Auto merge of #68907 - Dylan-DPC:rollup-osm5e8o, r=Dylan-DPC

Rollup of 6 pull requests

Successful merges:

 - #67359 (Rename -Zexternal-macro-backtrace to -Zmacro-backtrace and clean up implementation.)
 - #68524 (Generator Resume Arguments)
 - #68791 (implement proper linkchecker hardening)
 - #68886 (Mark fn map_or() as eagerly evaluated.)
 - #68888 (error code examples: replace some more ignore with compile_fail)
 - #68894 (Update E0565 examples)

Failed merges:

r? @ghost

7 files changed, 21 insertions, 15 deletions

diff --git a/src/librustc_error_codes/error_codes/E0511.md b/src/librustc_error_codes/error_codes/E0511.md
index 2d6ff8241e6..4f6644f3582 100644
--- a/src/librustc_error_codes/error_codes/E0511.md
+++ b/src/librustc_error_codes/error_codes/E0511.md
@@ -1,7 +1,7 @@
 Invalid monomorphization of an intrinsic function was used. Erroneous code
 example:
 
-```ignore (error-emitted-at-codegen-which-cannot-be-handled-by-compile_fail)
+```compile_fail,E0511
 #![feature(platform_intrinsics)]
 
 extern "platform-intrinsic" {
diff --git a/src/librustc_error_codes/error_codes/E0534.md b/src/librustc_error_codes/error_codes/E0534.md
index e50b84764b4..0afa4a8c958 100644
--- a/src/librustc_error_codes/error_codes/E0534.md
+++ b/src/librustc_error_codes/error_codes/E0534.md
@@ -2,7 +2,7 @@ The `inline` attribute was malformed.
 
 Erroneous code example:
 
-```ignore (compile_fail not working here; see Issue #43707)
+```compile_fail,E0534
 #[inline()] // error: expected one argument
 pub fn something() {}
 
diff --git a/src/librustc_error_codes/error_codes/E0535.md b/src/librustc_error_codes/error_codes/E0535.md
index e9abfe5dda1..035d395b76f 100644
--- a/src/librustc_error_codes/error_codes/E0535.md
+++ b/src/librustc_error_codes/error_codes/E0535.md
@@ -2,7 +2,7 @@ An unknown argument was given to the `inline` attribute.
 
 Erroneous code example:
 
-```ignore (compile_fail not working here; see Issue #43707)
+```compile_fail,E0535
 #[inline(unknown)] // error: invalid argument
 pub fn something() {}
 
diff --git a/src/librustc_error_codes/error_codes/E0565.md b/src/librustc_error_codes/error_codes/E0565.md
index 1faedf45932..d5bba941c1d 100644
--- a/src/librustc_error_codes/error_codes/E0565.md
+++ b/src/librustc_error_codes/error_codes/E0565.md
@@ -2,9 +2,11 @@ A literal was used in a built-in attribute that doesn't support literals.
 
 Erroneous code example:
 
-```ignore (compile_fail not working here; see Issue #43707)
-#[inline("always")] // error: unsupported literal
-pub fn something() {}
+```compile_fail,E0565
+#[repr("C")] // error: meta item in `repr` must be an identifier
+struct Repr {}
+
+fn main() {}
 ```
 
 Literals in attributes are new and largely unsupported in built-in attributes.
@@ -12,6 +14,8 @@ Work to support literals where appropriate is ongoing. Try using an unquoted
 name instead:
 
 ```
-#[inline(always)]
-pub fn something() {}
+#[repr(C)] // ok!
+struct Repr {}
+
+fn main() {}
 ```
diff --git a/src/librustc_error_codes/error_codes/E0626.md b/src/librustc_error_codes/error_codes/E0626.md
index db50bd7ac4f..cc6e03d1ca7 100644
--- a/src/librustc_error_codes/error_codes/E0626.md
+++ b/src/librustc_error_codes/error_codes/E0626.md
@@ -12,7 +12,7 @@ let mut b = || {
     yield (); // ...is still in scope here, when the yield occurs.
     println!("{}", a);
 };
-Pin::new(&mut b).resume();
+Pin::new(&mut b).resume(());
 ```
 
 At present, it is not permitted to have a yield that occurs while a
@@ -31,7 +31,7 @@ let mut b = || {
     yield ();
     println!("{}", a);
 };
-Pin::new(&mut b).resume();
+Pin::new(&mut b).resume(());
 ```
 
 This is a very simple case, of course. In more complex cases, we may
@@ -50,7 +50,7 @@ let mut b = || {
     yield x; // ...when this yield occurs.
   }
 };
-Pin::new(&mut b).resume();
+Pin::new(&mut b).resume(());
 ```
 
 Such cases can sometimes be resolved by iterating "by value" (or using
@@ -66,7 +66,7 @@ let mut b = || {
     yield x; // <-- Now yield is OK.
   }
 };
-Pin::new(&mut b).resume();
+Pin::new(&mut b).resume(());
 ```
 
 If taking ownership is not an option, using indices can work too:
@@ -83,7 +83,7 @@ let mut b = || {
     yield x; // <-- Now yield is OK.
   }
 };
-Pin::new(&mut b).resume();
+Pin::new(&mut b).resume(());
 
 // (*) -- Unfortunately, these temporaries are currently required.
 // See <https://github.com/rust-lang/rust/issues/43122>.
diff --git a/src/librustc_error_codes/error_codes/E0633.md b/src/librustc_error_codes/error_codes/E0633.md
index 65cdf90036a..7f488cde664 100644
--- a/src/librustc_error_codes/error_codes/E0633.md
+++ b/src/librustc_error_codes/error_codes/E0633.md
@@ -2,7 +2,9 @@ The `unwind` attribute was malformed.
 
 Erroneous code example:
 
-```ignore (compile_fail not working here; see Issue #43707)
+```compile_fail,E0633
+#![feature(unwind_attributes)]
+
 #[unwind()] // error: expected one argument
 pub extern fn something() {}
 
diff --git a/src/librustc_error_codes/error_codes/E0668.md b/src/librustc_error_codes/error_codes/E0668.md
index 2621a31a9e0..f5d26244fb9 100644
--- a/src/librustc_error_codes/error_codes/E0668.md
+++ b/src/librustc_error_codes/error_codes/E0668.md
@@ -6,7 +6,7 @@ assembly call.
 
 In particular, it can happen if you forgot the closing bracket of a register
 constraint (see issue #51430):
-```ignore (error-emitted-at-codegen-which-cannot-be-handled-by-compile_fail)
+```compile_fail,E0668
 #![feature(asm)]
 
 fn main() {