Allow fuzzers to use new compiler intrinsics

Namely:
%kDisableOptimizationFinalization
%WaitForBackgroundOptimization
%kFinalizeOptimization

Bug: v8:12091
Change-Id: Iea6c5e1d0c88b62fd02b240b20b0fca0fb79451f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3097878Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Auto-Submit: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76334}

src/runtime/runtime-test.cc

@@ -648,26 +648,29 @@ RUNTIME_FUNCTION(Runtime_GetOptimizationStatus) {
 
 RUNTIME_FUNCTION(Runtime_DisableOptimizationFinalization) {
   DCHECK_EQ(0, args.length());
-  CHECK(isolate->concurrent_recompilation_enabled());
-  isolate->optimizing_compile_dispatcher()->AwaitCompileTasks();
-  isolate->optimizing_compile_dispatcher()->InstallOptimizedFunctions();
-  isolate->optimizing_compile_dispatcher()->set_finalize(false);
+  if (isolate->concurrent_recompilation_enabled()) {
+    isolate->optimizing_compile_dispatcher()->AwaitCompileTasks();
+    isolate->optimizing_compile_dispatcher()->InstallOptimizedFunctions();
+    isolate->optimizing_compile_dispatcher()->set_finalize(false);
+  }
   return ReadOnlyRoots(isolate).undefined_value();
 }
 
 RUNTIME_FUNCTION(Runtime_WaitForBackgroundOptimization) {
   DCHECK_EQ(0, args.length());
-  CHECK(isolate->concurrent_recompilation_enabled());
-  isolate->optimizing_compile_dispatcher()->AwaitCompileTasks();
+  if (isolate->concurrent_recompilation_enabled()) {
+    isolate->optimizing_compile_dispatcher()->AwaitCompileTasks();
+  }
   return ReadOnlyRoots(isolate).undefined_value();
 }
 
 RUNTIME_FUNCTION(Runtime_FinalizeOptimization) {
   DCHECK_EQ(0, args.length());
-  CHECK(isolate->concurrent_recompilation_enabled());
-  isolate->optimizing_compile_dispatcher()->AwaitCompileTasks();
-  isolate->optimizing_compile_dispatcher()->InstallOptimizedFunctions();
-  isolate->optimizing_compile_dispatcher()->set_finalize(true);
+  if (isolate->concurrent_recompilation_enabled()) {
+    isolate->optimizing_compile_dispatcher()->AwaitCompileTasks();
+    isolate->optimizing_compile_dispatcher()->InstallOptimizedFunctions();
+    isolate->optimizing_compile_dispatcher()->set_finalize(true);
+  }
   return ReadOnlyRoots(isolate).undefined_value();
 }
 

src/runtime/runtime.cc

@@ -203,7 +203,9 @@ bool Runtime::IsAllowListedForFuzzing(FunctionId id) {
     case Runtime::kArrayBufferDetach:
     case Runtime::kDeoptimizeFunction:
     case Runtime::kDeoptimizeNow:
+    case Runtime::kDisableOptimizationFinalization:
     case Runtime::kEnableCodeLoggingForTesting:
+    case Runtime::kFinalizeOptimization:
     case Runtime::kGetUndetectable:
     case Runtime::kNeverOptimizeFunction:
     case Runtime::kOptimizeFunctionOnNextCall:
@@ -212,6 +214,7 @@ bool Runtime::IsAllowListedForFuzzing(FunctionId id) {
     case Runtime::kPretenureAllocationSite:
     case Runtime::kSetAllocationTimeout:
     case Runtime::kSimulateNewspaceFull:
+    case Runtime::kWaitForBackgroundOptimization:
       return true;
     // Runtime functions only permitted for non-differential fuzzers.
     // This list may contain functions performing extra checks or returning
@@ -221,8 +224,8 @@ bool Runtime::IsAllowListedForFuzzing(FunctionId id) {
     case Runtime::kIsBeingInterpreted:
     case Runtime::kVerifyType:
       return !FLAG_allow_natives_for_differential_fuzzing;
-    case Runtime::kCompileBaseline:
     case Runtime::kBaselineOsr:
+    case Runtime::kCompileBaseline:
       return FLAG_sparkplug;
     default:
       return false;