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Add desugaring mark to while loop

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This commit is contained in:
Cameron Steffen 2021-08-19 16:57:15 -05:00
parent f03eb6bef8
commit 67ea84d97a
7 changed files with 28 additions and 24 deletions
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6
compiler/rustc_middle/src/lint.rs
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@ -389,9 +389,9 @@ pub fn struct_lint_level<'s, 'd>(
pub fn in_external_macro(sess: &Session, span: Span) -> bool {
let expn_data = span.ctxt().outer_expn_data();
match expn_data.kind {
ExpnKind::Inlined | ExpnKind::Root | ExpnKind::Desugaring(DesugaringKind::ForLoop(_)) => {
false
}
ExpnKind::Inlined
| ExpnKind::Root
| 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.