X87: [turbofan] Move JSCallFunction specialization to JSCallReducer.

src/x87/code-stubs-x87.cc

Index: src/x87/code-stubs-x87.cc
diff --git a/src/x87/code-stubs-x87.cc b/src/x87/code-stubs-x87.cc
index 9d066483cf089774ef412c26b2010ea9a4e3069a..67dda77ab5c59082f1ad075d7fa7ed43d1c45c72 100644
--- a/src/x87/code-stubs-x87.cc
+++ b/src/x87/code-stubs-x87.cc
@@ -1919,6 +1919,13 @@ void CallICStub::Generate(MacroAssembler* masm) {
   __ cmp(edi, ecx);
   __ j(equal, &miss);
 
+  // Make sure the function belongs to the same native context (which implies
+  // the same global object).
+  __ mov(ecx, FieldOperand(edi, JSFunction::kContextOffset));
+  __ mov(ecx, ContextOperand(ecx, Context::GLOBAL_OBJECT_INDEX));
+  __ cmp(ecx, GlobalObjectOperand());
+  __ j(not_equal, &miss);
+
   // Update stats.
   __ add(FieldOperand(ebx, with_types_offset), Immediate(Smi::FromInt(1)));