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Rollup merge of #100045 - Amanieu:global_asm_may_unwind, r=tmiasko

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Properly reject the `may_unwind` option in `global_asm!`

This was accidentally accepted even though it had no effect in
`global_asm!`. The option only makes sense for `asm!` which runs within
a function.
This commit is contained in:
Matthias Krüger
2022-08-02 17:17:34 +02:00
committed by GitHub
parent 1ce85b1c39 96c955e66b
commit 06333e092b
5 changed files with 38 additions and 38 deletions
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4
compiler/rustc_builtin_macros/src/asm.rs
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@@ -410,12 +410,12 @@ fn parse_options<'a>(
try_set_option(p, args, sym::noreturn, ast::InlineAsmOptions::NORETURN);
} else if !is_global_asm && p.eat_keyword(sym::nostack) {
try_set_option(p, args, sym::nostack, ast::InlineAsmOptions::NOSTACK);
} else if !is_global_asm && p.eat_keyword(sym::may_unwind) {
try_set_option(p, args, kw::Raw, ast::InlineAsmOptions::MAY_UNWIND);
} else if p.eat_keyword(sym::att_syntax) {
try_set_option(p, args, sym::att_syntax, ast::InlineAsmOptions::ATT_SYNTAX);
} else if p.eat_keyword(kw::Raw) {
try_set_option(p, args, kw::Raw, ast::InlineAsmOptions::RAW);
} else if p.eat_keyword(sym::may_unwind) {
try_set_option(p, args, kw::Raw, ast::InlineAsmOptions::MAY_UNWIND);
} else {
return p.unexpected();
}