Replace 'operator*' with explicit 'get' method on SmartPointer

test/cctest/test-heap-profiler.cc

Index: test/cctest/test-heap-profiler.cc
diff --git a/test/cctest/test-heap-profiler.cc b/test/cctest/test-heap-profiler.cc
index eff5744d83543664cc10f09a49b98f862fc08bea..5c7d9d8f58d2e06432e9a4d2cc2284cd9df5cab1 100644
--- a/test/cctest/test-heap-profiler.cc
+++ b/test/cctest/test-heap-profiler.cc
@@ -1581,9 +1581,9 @@ TEST(GetHeapValueForDeletedObject) {
 
 static int StringCmp(const char* ref, i::String* act) {
   i::SmartArrayPointer<char> s_act = act->ToCString();
-  int result = strcmp(ref, *s_act);
+  int result = strcmp(ref, s_act.get());
   if (result != 0)
-    fprintf(stderr, "Expected: \"%s\", Actual: \"%s\"\n", ref, *s_act);
+    fprintf(stderr, "Expected: \"%s\", Actual: \"%s\"\n", ref, s_act.get());
   return result;
 }