bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

fix ICE on specific malformed asm clobber_abi

Browse source
This commit is contained in:
asquared31415 2023-06-15 17:45:53 -04:00
parent 8c74a5d27c
commit 3dc793e625
5 changed files with 184 additions and 96 deletions
Download patch file Download diff file Expand all files Collapse all files

6
compiler/rustc_builtin_macros/src/asm.rs
View file

@ -379,16 +379,12 @@ fn parse_clobber_abi<'a>(p: &mut Parser<'a>, args: &mut AsmArgs) -> PResult<'a,
}
let mut new_abis = Vec::new();
loop {
while !p.eat(&token::CloseDelim(Delimiter::Parenthesis)) {
match p.parse_str_lit() {
Ok(str_lit) => {
new_abis.push((str_lit.symbol_unescaped, str_lit.span));
}
Err(opt_lit) => {
// If the non-string literal is a closing paren then it's the end of the list and is fine
if p.eat(&token::CloseDelim(Delimiter::Parenthesis)) {
break;
}
let span = opt_lit.map_or(p.token.span, |lit| lit.span);
let mut err =
p.sess.span_diagnostic.struct_span_err(span, "expected string literal");