Provide baseline GC version.

src/ia32/stub-cache-ia32.cc

Index: src/ia32/stub-cache-ia32.cc
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index 352eae1f927577d815d76c7089df232c6dfdb627..2f13d43c98e39372f2daf6ed070b1e732aaee020 100644
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -1478,7 +1478,10 @@ MaybeObject* CallStubCompiler::CompileArrayPushCall(Object* object,
     __ j(not_equal, &call_builtin);
 
     if (argc == 1) {  // Otherwise fall through to call builtin.
-      Label exit, with_write_barrier, attempt_to_grow_elements;
+      Label exit, attempt_to_grow_elements;
+#ifndef BASELINE_GC
+      Label with_write_barrier;
+#endif
 
       // Get the array's length into eax and calculate new length.
       __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset));
@@ -1503,19 +1506,23 @@ MaybeObject* CallStubCompiler::CompileArrayPushCall(Object* object,
       __ mov(ecx, Operand(esp, argc * kPointerSize));
       __ mov(Operand(edx, 0), ecx);
 
+#ifndef BASELINE_GC
       // Check if value is a smi.
       __ test(ecx, Immediate(kSmiTagMask));
       __ j(not_zero, &with_write_barrier);
+#endif
 
       __ bind(&exit);
       __ ret((argc + 1) * kPointerSize);
 
+#ifndef BASELINE_GC
       __ bind(&with_write_barrier);
 
       __ InNewSpace(ebx, ecx, equal, &exit);
 
       __ RecordWriteHelper(ebx, edx, ecx);
       __ ret((argc + 1) * kPointerSize);
+#endif
 
       __ bind(&attempt_to_grow_elements);
       if (!FLAG_inline_new) {