MIPS[64]: Fix `[turbofan] Correct lazy deopt {JSCreate} operation.`

Fix 6ee0b6ce

Fix wrong register usage for MIPS ports

TEST=mjsunit/regress/regress-5638b
BUG=

Review-Url: https://codereview.chromium.org/2831733004
Cr-Commit-Position: refs/heads/master@{#44749}

src/builtins/mips/builtins-mips.cc

@@ -629,7 +629,7 @@ void Generate_JSConstructStubHelper(MacroAssembler* masm, bool is_api_function,
     // -----------------------------------
 
     __ Pop(a1);
-    __ Push(a0, a0);
+    __ Push(v0, v0);
 
     // Retrieve smi-tagged arguments count from the stack.
     __ lw(a0, MemOperand(fp, ConstructFrameConstants::kLengthOffset));

src/builtins/mips64/builtins-mips64.cc

@@ -627,7 +627,7 @@ void Generate_JSConstructStubHelper(MacroAssembler* masm, bool is_api_function,
     // -----------------------------------
 
     __ Pop(a1);
-    __ Push(a0, a0);
+    __ Push(v0, v0);
 
     // Retrieve smi-tagged arguments count from the stack.
     __ Ld(a0, MemOperand(fp, ConstructFrameConstants::kLengthOffset));