Change calling convention of CallApiGetterStub to accept the AccessorInfo

src/ic/handler-compiler.cc

Index: src/ic/handler-compiler.cc
diff --git a/src/ic/handler-compiler.cc b/src/ic/handler-compiler.cc
index 2eff81f6b5fcf4fc594aed5c750e2b5cc8f87ceb..14ef966b34b98549a538628125b2eb0c56127f47 100644
--- a/src/ic/handler-compiler.cc
+++ b/src/ic/handler-compiler.cc
@@ -358,6 +358,20 @@ Handle<Code> NamedLoadHandlerCompiler::CompileLoadInterceptor(
   return GetCode(kind(), it->name());
 }
 
+void NamedLoadHandlerCompiler::GenerateLoadCallback(
+    Register reg, Handle<AccessorInfo> callback) {
+  DCHECK(receiver().is(ApiGetterDescriptor::ReceiverRegister()));
+  if (!reg.is(ApiGetterDescriptor::HolderRegister())) {

[Jakob Kummerow, 2016/04/18 13:22:35]

You can drop this line; MacroAssembler::Move contains the dst != src check on
all platforms.

+    __ Move(ApiGetterDescriptor::HolderRegister(), reg);
+  }
+  // The callback is alive if this instruction is executed,
+  // so the weak cell is not cleared and points to data.
+  Handle<WeakCell> cell = isolate()->factory()->NewWeakCell(callback);
+  __ GetWeakValue(ApiGetterDescriptor::CallbackRegister(), cell);
+
+  CallApiGetterStub stub(isolate());
+  __ TailCallStub(&stub);
+}
 
 void NamedLoadHandlerCompiler::GenerateLoadPostInterceptor(
     LookupIterator* it, Register interceptor_reg) {