MIPS64: Fix '[turbofan] Add an operator to access the parent frame pointer'.

src/compiler/mips64/code-generator-mips64.cc

Index: src/compiler/mips64/code-generator-mips64.cc
diff --git a/src/compiler/mips64/code-generator-mips64.cc b/src/compiler/mips64/code-generator-mips64.cc
index 14bbe31cf3b28ee167344f31ff8f92b061931d30..8edbb9eba0ad9462b789fde52c230f0c938d95da 100644
--- a/src/compiler/mips64/code-generator-mips64.cc
+++ b/src/compiler/mips64/code-generator-mips64.cc
@@ -616,7 +616,7 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       break;
     case kArchParentFramePointer:
       if (frame_access_state()->frame()->needs_frame()) {
-        __ lw(i.OutputRegister(), MemOperand(fp, 0));
+        __ ld(i.OutputRegister(), MemOperand(fp, 0));
       } else {
         __ mov(i.OutputRegister(), fp);
       }