[iwyu] Fix ic.h

R=ishell@chromium.org

Bug: v8:7965
Change-Id: Ia67e567790f4a5b39e24504c13c472091776ec4f
Reviewed-on: https://chromium-review.googlesource.com/c/1303296
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57067}

src/ic/ic-inl.h

@@ -60,13 +60,20 @@ bool IC::AddressIsDeoptimizedCode() const {
   return AddressIsDeoptimizedCode(isolate(), address());
 }
 
-
+// static
 bool IC::AddressIsDeoptimizedCode(Isolate* isolate, Address address) {
   Code* host =
       isolate->inner_pointer_to_code_cache()->GetCacheEntry(address)->code;
   return (host->kind() == Code::OPTIMIZED_FUNCTION &&
           host->marked_for_deoptimization());
 }
+
+bool IC::vector_needs_update() {
+  return (!vector_set_ &&
+          (state() != MEGAMORPHIC ||
+           Smi::ToInt(nexus()->GetFeedbackExtra()->cast<Smi>()) != ELEMENT));
+}
+
 }  // namespace internal
 }  // namespace v8
 

src/ic/ic.h

@@ -84,11 +84,7 @@ class IC {
                                               Address address);
 
   bool is_vector_set() { return vector_set_; }
-  bool vector_needs_update() {
-    return (!vector_set_ &&
-            (state() != MEGAMORPHIC ||
-             Smi::ToInt(nexus()->GetFeedbackExtra()->cast<Smi>()) != ELEMENT));
-  }
+  inline bool vector_needs_update();
 
   // Configure for most states.
   bool ConfigureVectorState(IC::State new_state, Handle<Object> key);

tools/generate-header-include-checks.py

@@ -33,7 +33,6 @@ AUTO_EXCLUDE = [
   'src/compiler/js-context-specialization.h',
   'src/compiler/raw-machine-assembler.h',
   'src/dateparser-inl.h',
-  'src/ic/ic.h',
   'src/regexp/jsregexp.h',
   'src/snapshot/object-deserializer.h',
   'src/transitions.h',