diff options
| -rw-r--r-- | llvm/lib/Analysis/AliasSetTracker.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/AliasSetTracker.cpp b/llvm/lib/Analysis/AliasSetTracker.cpp index 18ba959..08452c9 100644 --- a/llvm/lib/Analysis/AliasSetTracker.cpp +++ b/llvm/lib/Analysis/AliasSetTracker.cpp @@ -468,8 +468,9 @@ void AliasSetTracker::copyValue(Value *From, Value *To) { AliasSet::PointerRec &Entry = getEntryFor(To); if (Entry.hasAliasSet()) return; // Already in the tracker! - // Add it to the alias set it aliases... + // getEntryFor above may invalidate iterator \c I, so reinitialize it. I = PointerMap.find_as(From); + // Add it to the alias set it aliases... AliasSet *AS = I->second->getAliasSet(*this); AS->addPointer(*this, Entry, I->second->getSize(), I->second->getAAInfo(), |