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

src/full-codegen/s390/full-codegen-s390.cc

Index: src/full-codegen/s390/full-codegen-s390.cc
diff --git a/src/full-codegen/s390/full-codegen-s390.cc b/src/full-codegen/s390/full-codegen-s390.cc
index 3abe11014bedb86164c8f4ccbc7114c1f9c8c5b9..e5ecc7138abc54381af5c705c960808d6ef65b4f 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -1617,18 +1617,18 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
       }
       break;
     case KEYED_SUPER_PROPERTY: {
-      const Register scratch = r3;
       VisitForStackValue(
           property->obj()->AsSuperPropertyReference()->this_var());
-      VisitForAccumulatorValue(
+      VisitForStackValue(
           property->obj()->AsSuperPropertyReference()->home_object());
-      __ LoadRR(scratch, result_register());
       VisitForAccumulatorValue(property->key());
-      PushOperands(scratch, result_register());
+      PushOperand(result_register());
       if (expr->is_compound()) {
         const Register scratch1 = r4;
+        const Register scratch2 = r3;
         __ LoadP(scratch1, MemOperand(sp, 2 * kPointerSize));
-        PushOperands(scratch1, scratch, result_register());
+        __ LoadP(scratch2, MemOperand(sp, 1 * kPointerSize));
+        PushOperands(scratch1, scratch2, result_register());
       }
       break;
     }