[fullcode][mips][mips64][ppc][s390] Avoid trashing of a home object when doing a keyed store to a...

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 8061302bc3b6767d40b6daa0a9b3e1e749dcb2e8..45d081100957c89131d74d62be280a93cd047f33 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -1692,18 +1692,18 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
       }
       break;
     case KEYED_SUPER_PROPERTY: {
-      const Register scratch = a1;
       VisitForStackValue(
           property->obj()->AsSuperPropertyReference()->this_var());
-      VisitForAccumulatorValue(
+      VisitForStackValue(
           property->obj()->AsSuperPropertyReference()->home_object());
-      __ Move(scratch, result_register());
       VisitForAccumulatorValue(property->key());
-      PushOperands(scratch, result_register());
+      PushOperand(result_register());
       if (expr->is_compound()) {
         const Register scratch1 = t0;
+        const Register scratch2 = a1;
         __ lw(scratch1, MemOperand(sp, 2 * kPointerSize));
-        PushOperands(scratch1, scratch, result_register());
+        __ lw(scratch2, MemOperand(sp, 1 * kPointerSize));
+        PushOperands(scratch1, scratch2, result_register());
       }
       break;
     }