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Auto merge of #5297 - JohnTitor:shadow, r=phansch

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Use `node_type_opt` over `node_type`

Fix ICE reported in rust-lang/rust#69873.

changelog: Fix ICE in checking bindings
This commit is contained in:
bors 2020-03-10 10:37:51 +00:00
commit 3aa8da3e07
2 changed files with 14 additions and 4 deletions
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12
clippy_lints/src/shadow.rs
View File

@ -154,10 +154,14 @@ fn check_local<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, local: &'tcx Local<'_>, bin
} }
fn is_binding(cx: &LateContext<'_, '_>, pat_id: HirId) -> bool { fn is_binding(cx: &LateContext<'_, '_>, pat_id: HirId) -> bool {
let var_ty = cx.tables.node_type(pat_id); let var_ty = cx.tables.node_type_opt(pat_id);
match var_ty.kind { if let Some(var_ty) = var_ty {
ty::Adt(..) => false, match var_ty.kind {
_ => true, ty::Adt(..) => false,
_ => true,
}
} else {
false
} }
} }

6
tests/ui/crashes/shadow.rs Normal file
View File

@ -0,0 +1,6 @@
fn main() {
let x: [i32; {
let u = 2;
4
}] = [2; { 4 }];
}