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After years of telling people: 'If you ever find any of my code that self-move-assigns, send me a bug report.' Somebody finally took me up on it. vector::erase(begin(), begin()) does a self-move-assign of every element in the vector, leaving all of those elements in an unspecified state. I checked the other containers for this same bug and did not find it. Added test case.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@179760 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2013-04-18 15:02:57 +00:00
parent 2062f37772
commit b4e67cfd42
2 changed files with 9 additions and 1 deletions
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7
test/containers/sequences/vector/vector.modifiers/erase_iter_iter.pass.cpp
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@@ -47,4 +47,11 @@ int main()
assert(distance(l1.cbegin(), l1.cend()) == 0);
assert(i == l1.begin());
}
{
std::vector<std::vector<int> > outer(2, std::vector<int>(1));
outer.erase(outer.begin(), outer.begin());
assert(outer.size() == 2);
assert(outer[0].size() == 1);
assert(outer[1].size() == 1);
}
}