Auto merge of #145599 - jieyouxu:rollup-523cxhm, r=jieyouxu

Rollup of 15 pull requests

Successful merges:

 - rust-lang/rust#139345 (Extend `QueryStability` to handle `IntoIterator` implementations)
 - rust-lang/rust#140740 (Add `-Zindirect-branch-cs-prefix`)
 - rust-lang/rust#142079 (nll-relate: improve hr opaque types support)
 - rust-lang/rust#142938 (implement std::fs::set_permissions_nofollow on unix)
 - rust-lang/rust#143730 (fmt of non-decimal radix untangled)
 - rust-lang/rust#144767 (Correct some grammar in integer documentation)
 - rust-lang/rust#144906 (Require approval from t-infra instead of t-release on tier bumps)
 - rust-lang/rust#144983 (Rehome 37 `tests/ui/issues/` tests to other subdirectories under `tests/ui/`)
 - rust-lang/rust#145025 (run spellcheck as a tidy extra check in ci)
 - rust-lang/rust#145099 (rustc_target: Add the `32s` target feature for LoongArch)
 - rust-lang/rust#145166 (suggest using `pub(crate)` for E0364)
 - rust-lang/rust#145255 (dec2flt: Provide more valid inputs examples)
 - rust-lang/rust#145306 (Add tracing to various miscellaneous functions)
 - rust-lang/rust#145336 (Hide docs for `core::unicode`)
 - rust-lang/rust#145585 (Miri: fix handling of in-place argument and return place handling)

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

2 files changed, 25 insertions, 0 deletions

diff --git a/tests/ui/extern/function-definition-in-extern-block-75283.rs b/tests/ui/extern/function-definition-in-extern-block-75283.rs
new file mode 100644
index 00000000000..e2b7358743b
--- /dev/null
+++ b/tests/ui/extern/function-definition-in-extern-block-75283.rs
@@ -0,0 +1,7 @@
+// https://github.com/rust-lang/rust/issues/75283
+extern "C" {
+    fn lol() { //~ ERROR incorrect function inside `extern` block
+        println!("");
+    }
+}
+fn main() {}
diff --git a/tests/ui/extern/function-definition-in-extern-block-75283.stderr b/tests/ui/extern/function-definition-in-extern-block-75283.stderr
new file mode 100644
index 00000000000..67be1c29599
--- /dev/null
+++ b/tests/ui/extern/function-definition-in-extern-block-75283.stderr
@@ -0,0 +1,18 @@
+error: incorrect function inside `extern` block
+  --> $DIR/function-definition-in-extern-block-75283.rs:3:8
+   |
+LL |   extern "C" {
+   |   ---------- `extern` blocks define existing foreign functions and functions inside of them cannot have a body
+LL |       fn lol() {
+   |  ________^^^___-
+   | |        |
+   | |        cannot have a body
+LL | |         println!("");
+LL | |     }
+   | |_____- help: remove the invalid body: `;`
+   |
+   = help: you might have meant to write a function accessible through FFI, which can be done by writing `extern fn` outside of the `extern` block
+   = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html
+
+error: aborting due to 1 previous error
+