1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp
index 0af294c..3dba0fa 100644
--- a/llvm/unittests/ADT/APIntTest.cpp
+++ b/llvm/unittests/ADT/APIntTest.cpp
@@ -8,6 +8,7 @@
 
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Twine.h"
 #include "gtest/gtest.h"
@@ -3126,4 +3127,11 @@ TEST(APIntTest, ScaleBitMask) {
   EXPECT_EQ(APIntOps::ScaleBitMask(APInt(8, 0xE4), 4, true), APInt(4, 0x08));
 }
 
+TEST(APIntTest, DenseMap) {
+  DenseMap<APInt, int> Map;
+  APInt ZeroWidthInt(0, 0, false);
+  Map.insert({ZeroWidthInt, 0});
+  Map.find(ZeroWidthInt);
+}
+
 } // end anonymous namespace