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-rw-r--r--llvm/lib/CodeGen/StackProtector.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/StackProtector.cpp b/llvm/lib/CodeGen/StackProtector.cpp
index e246c2e..3d961af 100644
--- a/llvm/lib/CodeGen/StackProtector.cpp
+++ b/llvm/lib/CodeGen/StackProtector.cpp
@@ -170,7 +170,8 @@ bool StackProtector::HasAddressTaken(const Instruction *AI,
// If this instruction accesses memory make sure it doesn't access beyond
// the bounds of the allocated object.
Optional<MemoryLocation> MemLoc = MemoryLocation::getOrNone(I);
- if (MemLoc.hasValue() && MemLoc->Size.getValue() > AllocSize)
+ if (MemLoc.hasValue() && MemLoc->Size.hasValue() &&
+ MemLoc->Size.getValue() > AllocSize)
return true;
switch (I->getOpcode()) {
case Instruction::Store: