[tests] Make assertOptimized()/assertUnoptimized() great again.

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 2df020b6159862b62d6054962dff675153574f84..1fcac99591ba0bf06654c004c4674892c1ddd6f3 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -1154,6 +1154,18 @@ class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 STATIC_ASSERT(LANGUAGE_END == 2);
 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 1> {};
 
+// A set of bits returned by Runtime_GetOptimizationStatus.
+// These bits must be in sync with bits defined in test/mjsunit/mjsunit.js
+enum class OptimizationStatus {
+  kIsFunction = 1 << 0,
+  kNeverOptimize = 1 << 1,
+  kAlwaysOptimize = 1 << 2,
+  kMaybeDeopted = 1 << 3,
+  kOptimized = 1 << 4,
+  kTurboFanned = 1 << 5,
+  kInterpreted = 1 << 6,
+};
+
 }  // namespace internal
 }  // namespace v8