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Change all self assignments X=X to (void)X, so that we can turn on a

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new gcc warning that complains on self-assignments and
self-initializations.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122458 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2010-12-23 00:58:24 +00:00
parent 65e43a259f
commit 8e68c38735
20 changed files with 31 additions and 37 deletions
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2
lib/Support/StringMap.cpp
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@ -155,7 +155,7 @@ int StringMapImpl::FindKey(StringRef Key) const {
void StringMapImpl::RemoveKey(StringMapEntryBase *V) {
const char *VStr = (char*)V + ItemSize;
StringMapEntryBase *V2 = RemoveKey(StringRef(VStr, V->getKeyLength()));
V2 = V2;
(void)V2;
assert(V == V2 && "Didn't find key?");
}