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-rw-r--r--llvm/unittests/Analysis/DivergenceAnalysisTest.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/unittests/Analysis/DivergenceAnalysisTest.cpp b/llvm/unittests/Analysis/DivergenceAnalysisTest.cpp
index 8afd4bf4e66..97dbd18af51 100644
--- a/llvm/unittests/Analysis/DivergenceAnalysisTest.cpp
+++ b/llvm/unittests/Analysis/DivergenceAnalysisTest.cpp
@@ -302,7 +302,7 @@ TEST_F(DivergenceAnalysisTest, DAJoinDivergence) {
if (!Phi)
continue;
- if (&BB == *ItDivJoins) {
+ if (ItDivJoins != ItCase.second.end() && &BB == *ItDivJoins) {
EXPECT_TRUE(DA.isDivergent(*Phi));
// Advance to next block with expected divergent PHI node.
++ItDivJoins;
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