Fix bug in test case that made it fail to compile in non-debug mode.

test/cctest/test-strings.cc

Index: test/cctest/test-strings.cc
diff --git a/test/cctest/test-strings.cc b/test/cctest/test-strings.cc
index 677b39d57dc9ea9455fd833fd74b7686f66b99d0..3a9e4da24a22b6c1d153682746f47862ec15d2e5 100644
--- a/test/cctest/test-strings.cc
+++ b/test/cctest/test-strings.cc
@@ -473,11 +473,11 @@ TEST(CachedHashOverflow) {
     printf("%s\n", line);
     v8::Local<v8::Value> result =
         v8::Script::Compile(v8::String::New(line))->Run();
-    ASSERT_EQ(results[i]->IsUndefined(), result->IsUndefined());
-    ASSERT_EQ(results[i]->IsNumber(), result->IsNumber());
+    CHECK_EQ(results[i]->IsUndefined(), result->IsUndefined());
+    CHECK_EQ(results[i]->IsNumber(), result->IsNumber());
     if (result->IsNumber()) {
-      ASSERT_EQ(Smi::cast(results[i]->ToSmi())->value(),
-                result->ToInt32()->Value());
+      CHECK_EQ(Smi::cast(results[i]->ToSmi())->value(),
+               result->ToInt32()->Value());
     }
   }
 }