[turbofan] Move JSCallFunction specialization to JSCallReducer.

src/mips/code-stubs-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 2664 matching lines @@
 
   // Goto miss case if we do not have a function.
   __ GetObjectType(a1, t0, t0);
   __ Branch(&miss, ne, t0, Operand(JS_FUNCTION_TYPE));
 
   // Make sure the function is not the Array() function, which requires special
   // behavior on MISS.
   __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, t0);
   __ Branch(&miss, eq, a1, Operand(t0));
 
+  // Make sure the function belongs to the same native context (which implies
+  // the same global object).
+  __ lw(t0, FieldMemOperand(a1, JSFunction::kContextOffset));
+  __ lw(t0, ContextOperand(t0, Context::GLOBAL_OBJECT_INDEX));
+  __ lw(t1, GlobalObjectOperand());
+  __ Branch(&miss, ne, t0, Operand(t1));
+
   // Update stats.
   __ lw(t0, FieldMemOperand(a2, with_types_offset));
   __ Addu(t0, t0, Operand(Smi::FromInt(1)));
   __ sw(t0, FieldMemOperand(a2, with_types_offset));
 
   // Initialize the call counter.
   __ sll(at, a3, kPointerSizeLog2 - kSmiTagSize);
   __ Addu(at, a2, Operand(at));
   __ li(t0, Operand(Smi::FromInt(CallICNexus::kCallCountIncrement)));
   __ sw(t0, FieldMemOperand(at, FixedArray::kHeaderSize + kPointerSize));
@@ skipping 2940 matching lines @@
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS