Fix uninitialized warning (#560)
diff --git a/test/donotoptimize_test.cc b/test/donotoptimize_test.cc
index a705654..2ce92d1 100644
--- a/test/donotoptimize_test.cc
+++ b/test/donotoptimize_test.cc
@@ -28,13 +28,13 @@
int main(int, char*[]) {
// this test verifies compilation of DoNotOptimize() for some types
- char buffer8[8];
+ char buffer8[8] = "";
benchmark::DoNotOptimize(buffer8);
- char buffer20[20];
+ char buffer20[20] = "";
benchmark::DoNotOptimize(buffer20);
- char buffer1024[1024];
+ char buffer1024[1024] = "";
benchmark::DoNotOptimize(buffer1024);
benchmark::DoNotOptimize(&buffer1024[0]);