[compiler] Remove unused JSFunctionData::function_data_

Bug: v8:7790,v8:12149
Change-Id: I0c23b2c1126b2a950efe848973618407f64afeb7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3132268
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76601}

src/compiler/heap-refs.cc

@@ -609,7 +609,6 @@ class JSFunctionData : public JSObjectData {
   ObjectData* feedback_cell_ = nullptr;
   int initial_map_instance_size_with_min_slack_;  // Derives from
                                                   // prototype_or_initial_map_.
-  ObjectData* function_data_ = nullptr;
 };
 
 class BigIntData : public HeapObjectData {
@@ -795,9 +794,6 @@ void JSFunctionData::Cache(JSHeapBroker* broker) {
   SharedFunctionInfo shared = function->shared(kRelaxedLoad);
   shared_ = broker->GetOrCreateData(shared, kAssumeMemoryFence);
 
-  function_data_ = broker->GetOrCreateData(shared.function_data(kAcquireLoad),
-                                           kAssumeMemoryFence);
-
   if (function->has_prototype_slot()) {
     prototype_or_initial_map_ = broker->GetOrCreateData(
         function->prototype_or_initial_map(kAcquireLoad), kAssumeMemoryFence);
@@ -866,13 +862,6 @@ bool JSFunctionData::IsConsistentWithHeapState(JSHeapBroker* broker) const {
   CHECK_EQ(*native_context_->object(), f->native_context());
   CHECK_EQ(*shared_->object(), f->shared());
 
-  if (*function_data_->object() !=
-      Handle<SharedFunctionInfo>::cast(shared_->object())
-          ->function_data(kAcquireLoad)) {
-    TRACE_BROKER_MISSING(broker, "JSFunction::function_data");
-    return false;
-  }
-
   if (f->has_prototype_slot()) {
     if (*prototype_or_initial_map_->object() !=
         f->prototype_or_initial_map(kAcquireLoad)) {

test/mjsunit/mjsunit.status

@@ -211,9 +211,6 @@
   'regress/regress-crbug-941743': [PASS, HEAVY],
   'regress/regress-crbug-1191886': [PASS, HEAVY],
   'wasm/externref-globals': [PASS, HEAVY],
-
-  # TODO(v8:12149): Unskip once the JSFunctionRef dependency is relaxed.
-  'interrupt-budget-override': [SKIP],
 }],  # ALWAYS
 
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