MIPS: new classes: change semantics of super(...) call and add new.target to construct stub.

src/mips64/code-stubs-mips64.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 2721 matching lines @@
       __ ld(a5, FieldMemOperand(a2, AllocationSite::kMapOffset));
       __ LoadRoot(at, Heap::kAllocationSiteMapRootIndex);
       __ Branch(&feedback_register_initialized, eq, a5, Operand(at));
       __ LoadRoot(a2, Heap::kUndefinedValueRootIndex);
       __ bind(&feedback_register_initialized);
     }
 
     __ AssertUndefinedOrAllocationSite(a2, a5);
   }
 
+  // Pass function as original constructor.
+  __ mov(a3, a1);
+
   // Jump to the function-specific construct stub.
   Register jmp_reg = a4;
   __ ld(jmp_reg, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
   __ ld(jmp_reg, FieldMemOperand(jmp_reg,
                                  SharedFunctionInfo::kConstructStubOffset));
   __ Daddu(at, jmp_reg, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ Jump(at);
 
   // a0: number of arguments
   // a1: called object
@@ skipping 2427 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64