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In DenseMapInfo<pair<T, U>> tombstone key, use the tombstone for T and U instead 

of the empty key for U. This shouldn't really matter because the tombstone key
for the pair was still distinct from every other key, but it is odd. Patch by
Michael Ilseman!

llvm-svn: 136336
This commit is contained in:
Nick Lewycky 2011-07-28 06:48:33 +00:00
parent 6a662d30e4
commit 3255d1d25f
1 changed files with 2 additions and 2 deletions
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4
llvm/include/llvm/ADT/DenseMapInfo.h
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@ -142,7 +142,7 @@ struct DenseMapInfo<std::pair<T, U> > {
}
static inline Pair getTombstoneKey() {
return std::make_pair(FirstInfo::getTombstoneKey(),
SecondInfo::getEmptyKey());
SecondInfo::getTombstoneKey());
}
static unsigned getHashValue(const Pair& PairVal) {
uint64_t key = (uint64_t)FirstInfo::getHashValue(PairVal.first) << 32
@ -158,7 +158,7 @@ struct DenseMapInfo<std::pair<T, U> > {
return (unsigned)key;
}
static bool isEqual(const Pair &LHS, const Pair &RHS) {
return FirstInfo::isEqual(LHS.first, RHS.first) &&
return FirstInfo::isEqual(LHS.first, RHS.first) &&
SecondInfo::isEqual(LHS.second, RHS.second);
}
};