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-rw-r--r--lib/Transforms/IPO/ConstantMerge.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/ConstantMerge.cpp b/lib/Transforms/IPO/ConstantMerge.cpp
index fc142e16d2..84e49116ff 100644
--- a/lib/Transforms/IPO/ConstantMerge.cpp
+++ b/lib/Transforms/IPO/ConstantMerge.cpp
@@ -66,6 +66,8 @@ bool ConstantMerge::runOnModule(Module &M) {
GV->removeDeadConstantUsers();
if (GV->use_empty() && GV->hasInternalLinkage()) {
(GV++)->eraseFromParent();
+ if (GV == E)
+ break;
}
// Only process constants with initializers.