PPC: Refine "Test for var declarations in eval which conflict with let".

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, dstence@us.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1390953004

Cr-Commit-Position: refs/heads/master@{#31221}

src/full-codegen/ppc/full-codegen-ppc.cc

@@ -812,14 +812,11 @@ void FullCodeGenerator::VisitVariableDeclaration(
       // must not destroy the current value.
       if (hole_init) {
         __ LoadRoot(r3, Heap::kTheHoleValueRootIndex);
-        __ Push(r5, r3);
       } else {
         __ LoadSmiLiteral(r3, Smi::FromInt(0));  // Indicates no initial value.
-        __ Push(r5, r3);
       }
-      __ LoadSmiLiteral(
-          r3, Smi::FromInt(variable->DeclarationPropertyAttributes()));
-      __ Push(r3);
+      __ Push(r5, r3);
+      __ Push(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       __ CallRuntime(Runtime::kDeclareLookupSlot, 3);
       break;
     }
@@ -871,9 +868,7 @@ void FullCodeGenerator::VisitFunctionDeclaration(
       __ Push(r5);
       // Push initial value for function declaration.
       VisitForStackValue(declaration->fun());
-      __ LoadSmiLiteral(
-          r5, Smi::FromInt(variable->DeclarationPropertyAttributes()));
-      __ Push(r5);
+      __ Push(Smi::FromInt(variable->DeclarationPropertyAttributes()));
       __ CallRuntime(Runtime::kDeclareLookupSlot, 3);
       break;
     }