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Fix double warning about illegal floating-point literal pattern

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This commit is contained in:
Fabian Wolff 2021-07-05 17:56:43 +02:00
parent 5249414809
commit d019c71df9
12 changed files with 50 additions and 272 deletions
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14
compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
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@ -272,12 +272,14 @@ impl<'a, 'tcx> ConstToPat<'a, 'tcx> {
let kind = match cv.ty.kind() {
ty::Float(_) => {
tcx.struct_span_lint_hir(
lint::builtin::ILLEGAL_FLOATING_POINT_LITERAL_PATTERN,
id,
span,
|lint| lint.build("floating-point types cannot be used in patterns").emit(),
);
if self.include_lint_checks {
tcx.struct_span_lint_hir(
lint::builtin::ILLEGAL_FLOATING_POINT_LITERAL_PATTERN,
id,
span,
|lint| lint.build("floating-point types cannot be used in patterns").emit(),
);
}
PatKind::Constant { value: cv }
}
ty::Adt(adt_def, _) if adt_def.is_union() => {