New approach to Crankshaft decision-making

src/ic-inl.h

Index: src/ic-inl.h
diff --git a/src/ic-inl.h b/src/ic-inl.h
index 56cea817600c29748fc0e9cd9e0037d3b70cd20d..21ba7c34657c683e004bcdb0e9946f9cba83f680 100644
--- a/src/ic-inl.h
+++ b/src/ic-inl.h
@@ -29,6 +29,8 @@
 #define V8_IC_INL_H_
 
 #include "ic.h"
+
+#include "compiler.h"
 #include "debug.h"
 #include "macro-assembler.h"
 
@@ -89,6 +91,21 @@ void IC::SetTargetAtAddress(Address address, Code* target) {
   Assembler::set_target_address_at(address, target->instruction_start());
   target->GetHeap()->incremental_marking()->RecordCodeTargetPatch(address,
                                                                   target);
+  Isolate::Current()->runtime_profiler()->NotifyICChanged();
+  StackFrameIterator it;
+  if (it.done()) return;
+  it.Advance();
+  static const int kStackFramesToMark = Compiler::kMaxInliningLevels - 1;
+  for (int i = 0; i < kStackFramesToMark; ++i) {
+    if (it.done()) return;
+    StackFrame* raw_frame = it.frame();
+    if (raw_frame->is_java_script()) {
+      JSFunction* function =
+          JSFunction::cast(JavaScriptFrame::cast(raw_frame)->function());
+      function->set_profiler_ticks(0);
+    }
+    it.Advance();
+  }
 }