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authorRichard Smith <richard-llvm@metafoo.co.uk>2012-08-17 21:42:44 +0000
committerRichard Smith <richard-llvm@metafoo.co.uk>2012-08-17 21:42:44 +0000
commit1cec7a05ee41725ec97b41608fe16d58c8c5b103 (patch)
tree340af8d9ba7ce7d2135fe06f183ac94757dd7147
parent3028d38f6e55ae3808f97f7b5b0d7686f6483bdb (diff)
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Fix undefined behavior (binding a reference to a dereferenced null pointer) if
SSAUpdater was created and destroyed without being initialized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162137 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Transforms/Utils/SSAUpdater.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/SSAUpdater.cpp b/lib/Transforms/Utils/SSAUpdater.cpp
index e568a616b6..72d4199a2a 100644
--- a/lib/Transforms/Utils/SSAUpdater.cpp
+++ b/lib/Transforms/Utils/SSAUpdater.cpp
@@ -39,7 +39,7 @@ SSAUpdater::SSAUpdater(SmallVectorImpl<PHINode*> *NewPHI)
: AV(0), ProtoType(0), ProtoName(), InsertedPHIs(NewPHI) {}
SSAUpdater::~SSAUpdater() {
- delete &getAvailableVals(AV);
+ delete static_cast<AvailableValsTy*>(AV);
}
/// Initialize - Reset this object to get ready for a new set of SSA