Auto merge of #133770 - GuillaumeGomez:rollup-l62iyyx, r=GuillaumeGomez

Rollup of 10 pull requests

Successful merges:

 - #131713 (Stabilize `const_maybe_uninit_write`)
 - #133535 (show forbidden_lint_groups in future-compat reports)
 - #133610 (Move `Const::{from_anon_const,try_from_lit}` to hir_ty_lowering)
 - #133701 (Use c"lit" for CStrings without unwrap)
 - #133704 (fix ICE when promoted has layout size overflow)
 - #133705 (add "profiler" and "optimized-compiler-builtins" option coverage for ci-rustc)
 - #133710 (Reducing `target_feature` check-cfg merge conflicts)
 - #133732 (Fix `-Zdump-mir-dataflow`)
 - #133746 (Change `AttrArgs::Eq` to a struct variant)
 - #133763 (Fix `f16::midpoint` const feature gate)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 4 insertions, 9 deletions

diff --git a/compiler/rustc_error_codes/src/error_codes/E0060.md b/compiler/rustc_error_codes/src/error_codes/E0060.md
index 54b10c886cc..a6831c881e3 100644
--- a/compiler/rustc_error_codes/src/error_codes/E0060.md
+++ b/compiler/rustc_error_codes/src/error_codes/E0060.md
@@ -15,7 +15,7 @@ unsafe { printf(); } // error!
 Using this declaration, it must be called with at least one argument, so
 simply calling `printf()` is invalid. But the following uses are allowed:
 
-```
+```rust,edition2021
 # use std::os::raw::{c_char, c_int};
 # #[cfg_attr(all(windows, target_env = "msvc"),
 #            link(name = "legacy_stdio_definitions",
@@ -23,16 +23,11 @@ simply calling `printf()` is invalid. But the following uses are allowed:
 # extern "C" { fn printf(_: *const c_char, ...) -> c_int; }
 # fn main() {
 unsafe {
-    use std::ffi::CString;
-
-    let fmt = CString::new("test\n").unwrap();
-    printf(fmt.as_ptr());
+    printf(c"test\n".as_ptr());
 
-    let fmt = CString::new("number = %d\n").unwrap();
-    printf(fmt.as_ptr(), 3);
+    printf(c"number = %d\n".as_ptr(), 3);
 
-    let fmt = CString::new("%d, %d\n").unwrap();
-    printf(fmt.as_ptr(), 10, 5);
+    printf(c"%d, %d\n".as_ptr(), 10, 5);
 }
 # }
 ```