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Auto merge of #126757 - compiler-errors:safe, r=spastorino

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Properly gate `safe` keyword in pre-expansion

This PR gates `safe` keyword in pre-expansion contexts. Should mitigate the fallout of https://github.com/rust-lang/rust/issues/126755, which is that `safe` is now usable on beta lol.

r? `@spastorino` or `@oli-obk`

cc #124482 tracking #123743
This commit is contained in:
bors 2024-06-21 04:22:02 +00:00
commit 4e6de37349
4 changed files with 27 additions and 1 deletions
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3
compiler/rustc_parse/src/parser/mod.rs
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@ -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