Properly gate safe keyword in pre-expansion

2024-06-20 14:14:36 -04:00
parent 1aaab8b9f8
commit 108b3f214a
4 changed files with 27 additions and 1 deletions
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -1214,6 +1214,9 @@ impl<'a> Parser<'a> {
        if self.eat_keyword_case(kw::Unsafe, case) {
            Safety::Unsafe(self.prev_token.uninterpolated_span())
        } else if self.eat_keyword_case(kw::Safe, case) {
+            self.psess
+                .gated_spans
+                .gate(sym::unsafe_extern_blocks, self.prev_token.uninterpolated_span());
            Safety::Safe(self.prev_token.uninterpolated_span())
        } else {
            Safety::Default