--- a/src/test/gtest/googletest/src/gtest-death-test.cc
+++ b/src/test/gtest/googletest/src/gtest-death-test.cc
@@ -1296,7 +1296,7 @@
 GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
 GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
 static bool StackGrowsDown() {
-  int dummy;
+  int dummy = 0;
   bool result;
   StackLowerThanAddress(&dummy, &result);
   return result;