Make --always-opt also optimize toplevel code.

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index f55a625d6b6b5ff72a18525c6ff2667d26c9025b..8e9752a840809c42c171bd41cd680a017ee206c8 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -3004,7 +3004,8 @@ TEST(UseAsmUseCount) {
              "var foo = 1;\n"
              "\"use asm\";\n"  // Only the first one counts.
              "function bar() { \"use asm\"; var baz = 1; }");
-  CHECK_EQ(2, use_counts[v8::Isolate::kUseAsm]);
+  // Optimizing will double-count because the source is parsed twice.
+  CHECK_EQ(i::FLAG_always_opt ? 4 : 2, use_counts[v8::Isolate::kUseAsm]);
 }