Parser: Report use counts once per feature

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 5479fce8b79e6876e144a3de21f699d036a81c4f..2ec378b25cd855a0f8e08caf2b7481b04e7fc419 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -3569,10 +3569,8 @@ TEST(UseAsmUseCount) {
   CcTest::isolate()->SetUseCounterCallback(MockUseCounterCallback);
   CompileRun("\"use asm\";\n"
              "var foo = 1;\n"
-             "\"use asm\";\n"  // Only the first one counts.
              "function bar() { \"use asm\"; var baz = 1; }");
-  // Optimizing will double-count because the source is parsed twice.
-  CHECK_EQ(i::FLAG_always_opt ? 4 : 2, use_counts[v8::Isolate::kUseAsm]);
+  CHECK_LT(0, use_counts[v8::Isolate::kUseAsm]);
 }