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Fix overflow in type checking of tuple patterns

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This commit is contained in:
Vadim Petrochenkov 2016-03-06 15:54:44 +03:00
parent 35ef09c38b
commit 0ca9bf3940
1 changed files with 1 additions and 1 deletions
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2
src/librustc_typeck/check/_match.rs
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@ -275,7 +275,7 @@ pub fn check_pat(&self, pat: &'gcx hir::Pat, expected: Ty<'tcx>) {
let pat_ty = tcx.mk_tup(element_tys.clone());
self.write_ty(pat.id, pat_ty);
self.demand_eqtype(pat.span, expected, pat_ty);
for (i, elem) in elements.iter().enumerate_and_adjust(expected_len, ddpos) {
for (i, elem) in elements.iter().enumerate_and_adjust(max_len, ddpos) {
self.check_pat(elem, &element_tys[i]);
}
}