[PATCH] D157453: Fix "use after move" in iterator_range
Andy Kaylor via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 8 16:19:19 PDT 2023
andrew.w.kaylor created this revision.
andrew.w.kaylor added reviewers: steakhal, dblaikie.
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A static analysis tool reported a "use after move" error in a place where the same object was being passed to two different calls using std::forward. While this seems unlikely to present an actual problem, removing the std::forward makes the code slightly more robust.
This is an update to D152891 <https://reviews.llvm.org/D152891>.
https://reviews.llvm.org/D157453
Files:
llvm/include/llvm/ADT/iterator_range.h
Index: llvm/include/llvm/ADT/iterator_range.h
===================================================================
--- llvm/include/llvm/ADT/iterator_range.h
+++ llvm/include/llvm/ADT/iterator_range.h
@@ -53,8 +53,7 @@
detail::IterOfRange<Container>, IteratorT>::value> * = nullptr>
#endif
iterator_range(Container &&c)
- : begin_iterator(adl_begin(std::forward<Container>(c))),
- end_iterator(adl_end(std::forward<Container>(c))) {
+ : begin_iterator(adl_begin(c)), end_iterator(adl_end(c)) {
}
iterator_range(IteratorT begin_iterator, IteratorT end_iterator)
: begin_iterator(std::move(begin_iterator)),
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