[TSan] Fix signed-compare warning in the unit test

llvm-svn: 221190

diff --git a/compiler-rt/lib/tsan/tests/unit/tsan_dense_alloc_test.cc b/compiler-rt/lib/tsan/tests/unit/tsan_dense_alloc_test.cc
index fc9e4cb..e848e48 100644 (file)
--- a/compiler-rt/lib/tsan/tests/unit/tsan_dense_alloc_test.cc
+++ b/compiler-rt/lib/tsan/tests/unit/tsan_dense_alloc_test.cc
@@ -36,7 +36,7 @@ TEST(DenseSlabAlloc, Basic) {
     for (int i = 0; i < N; i++) {
       IndexT idx = alloc.Alloc(&cache);
       blocks[i] = idx;
-      EXPECT_NE(idx, 0);
+      EXPECT_NE(idx, 0U);
       int *v = alloc.Map(idx);
       *v = i;
     }