bjoernager/rust
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Auto merge of #98827 - aDotInTheVoid:suggest-extern-block, r=nagisa

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Suggest using block for `extern "abi" fn` with no body

`@rustbot` modify labels: +A-diagnostics
This commit is contained in:
bors 2022-07-07 04:18:47 +00:00
commit e78e747f53
12 changed files with 124 additions and 30 deletions
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11
compiler/rustc_parse/src/parser/mod.rs
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@ -1353,7 +1353,16 @@ impl<'a> Parser<'a> {
/// Parses `extern string_literal?`.
fn parse_extern(&mut self) -> Extern {
if self.eat_keyword(kw::Extern) { Extern::from_abi(self.parse_abi()) } else { Extern::None }
if self.eat_keyword(kw::Extern) {
let mut extern_span = self.prev_token.span;
let abi = self.parse_abi();
if let Some(abi) = abi {
extern_span = extern_span.to(abi.span);
}
Extern::from_abi(abi, extern_span)
} else {
Extern::None
}
}
/// Parses a string literal as an ABI spec.