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Simplify for loop desugar

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This commit is contained in:
Cameron Steffen 2021-10-25 23:33:12 -05:00
parent 3bfde2f1f4
commit 9c83f8c4d1
26 changed files with 181 additions and 256 deletions
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2
compiler/rustc_middle/src/lint.rs
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@ -395,7 +395,7 @@ pub fn in_external_macro(sess: &Session, span: Span) -> bool {
match expn_data.kind {
ExpnKind::Inlined
| ExpnKind::Root
| ExpnKind::Desugaring(DesugaringKind::ForLoop(_) | DesugaringKind::WhileLoop) => false,
| ExpnKind::Desugaring(DesugaringKind::ForLoop | DesugaringKind::WhileLoop) => false,
ExpnKind::AstPass(_) | ExpnKind::Desugaring(_) => true, // well, it's "external"
ExpnKind::Macro(MacroKind::Bang, _) => {
// Dummy span for the `def_site` means it's an external macro.