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Fix GLIBCXX_DEBUG error triggered by incrementing erased iterator.

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llvm-svn: 40897
This commit is contained in:
David Greene 2007-08-07 16:44:38 +00:00
parent f0a40d3dc2
commit 7eea029403
1 changed files with 4 additions and 4 deletions
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8
lib/Transforms/Scalar/LoopUnswitch.cpp
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@ -777,8 +777,8 @@ void LoopUnswitch::UnswitchNontrivialCondition(Value *LIC, Constant *Val,
if (LBBI != DF->end()) {
DominanceFrontier::DomSetType &LBSet = LBBI->second;
for (DominanceFrontier::DomSetType::iterator LI = LBSet.begin(),
LE = LBSet.end(); LI != LE; ++LI) {
BasicBlock *B = *LI;
LE = LBSet.end(); LI != LE; /* NULL */) {
BasicBlock *B = *LI++;
if (OutSiders.count(B))
DF->removeFromFrontier(LBBI, B);
}
@ -789,8 +789,8 @@ void LoopUnswitch::UnswitchNontrivialCondition(Value *LIC, Constant *Val,
if (NBBI != DF->end()) {
DominanceFrontier::DomSetType NBSet = NBBI->second;
for (DominanceFrontier::DomSetType::iterator NI = NBSet.begin(),
NE = NBSet.end(); NI != NE; ++NI) {
BasicBlock *B = *NI;
NE = NBSet.end(); NI != NE; /* NULL */) {
BasicBlock *B = *NI++;
if (OutSiders.count(B))
DF->removeFromFrontier(NBBI, B);
}