Fix build problem.

test/core/gprpp/inlined_vector_test.cc

@@ -67,19 +67,19 @@ TEST(InlinedVectorTest, EmplaceBack) {
 TEST(InlinedVectorTest, ClearAndRepopulate) {
   const int kNumElements = 10;
   InlinedVector<int, 5> v;
-  EXPECT_EQ(0, v.size());
+  EXPECT_EQ(0UL, v.size());
   for (int i = 0; i < kNumElements; ++i) {
     v.push_back(i);
-    EXPECT_EQ(i + 1, v.size());
+    EXPECT_EQ(i + 1UL, v.size());
   }
   for (int i = 0; i < kNumElements; ++i) {
     EXPECT_EQ(i, v[i]);
   }
   v.clear();
-  EXPECT_EQ(0, v.size());
+  EXPECT_EQ(0UL, v.size());
   for (int i = 0; i < kNumElements; ++i) {
     v.push_back(kNumElements + i);
-    EXPECT_EQ(i + 1, v.size());
+    EXPECT_EQ(i + 1UL, v.size());
   }
   for (int i = 0; i < kNumElements; ++i) {
     EXPECT_EQ(kNumElements + i, v[i]);
@@ -89,10 +89,10 @@ TEST(InlinedVectorTest, ClearAndRepopulate) {
 TEST(InlinedVectorTest, ConstIndexOperator) {
   const int kNumElements = 10;
   InlinedVector<int, 5> v;
-  EXPECT_EQ(0, v.size());
+  EXPECT_EQ(0UL, v.size());
   for (int i = 0; i < kNumElements; ++i) {
     v.push_back(i);
-    EXPECT_EQ(i + 1, v.size());
+    EXPECT_EQ(i + 1UL, v.size());
   }
   auto const_func = [kNumElements](const InlinedVector<int, 5>& v) {
     for (int i = 0; i < kNumElements; ++i) {