[es6] Tail calls support.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index b4259886a9ef033e1b5b822b1333b83f1839ad4c..aab8d08e3141df0f1ef90bf6183138c58832398d 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -2653,7 +2653,8 @@ void CallICStub::Generate(MacroAssembler* masm) {
   __ sw(a3, FieldMemOperand(at, FixedArray::kHeaderSize + kPointerSize));
 
   __ bind(&call_function);
-  __ Jump(masm->isolate()->builtins()->CallFunction(convert_mode()),
+  __ Jump(masm->isolate()->builtins()->CallFunction(convert_mode(),
+                                                    tail_call_mode()),
           RelocInfo::CODE_TARGET, al, zero_reg, Operand(zero_reg),
           USE_DELAY_SLOT);
   __ li(a0, Operand(argc));  // In delay slot.
@@ -2692,7 +2693,7 @@ void CallICStub::Generate(MacroAssembler* masm) {
   __ sw(at, FieldMemOperand(t0, FixedArray::kHeaderSize));
 
   __ bind(&call);
-  __ Jump(masm->isolate()->builtins()->Call(convert_mode()),
+  __ Jump(masm->isolate()->builtins()->Call(convert_mode(), tail_call_mode()),
           RelocInfo::CODE_TARGET, al, zero_reg, Operand(zero_reg),
           USE_DELAY_SLOT);
   __ li(a0, Operand(argc));  // In delay slot.