[compiler] Allow matcher to work on arch without scaling capability

src/compiler/ppc/instruction-selector-ppc.cc

Index: src/compiler/ppc/instruction-selector-ppc.cc
diff --git a/src/compiler/ppc/instruction-selector-ppc.cc b/src/compiler/ppc/instruction-selector-ppc.cc
index eb120d43a3635fb9eb2f2df229afaf589430b621..9ed021a57eb4010c99211ddedadddd30cd63db5e 100644
--- a/src/compiler/ppc/instruction-selector-ppc.cc
+++ b/src/compiler/ppc/instruction-selector-ppc.cc
@@ -877,7 +877,8 @@ void InstructionSelector::VisitWord64Sar(Node* node) {
       m.right().Is(32)) {
     // Just load and sign-extend the interesting 4 bytes instead. This happens,
     // for example, when we're loading and untagging SMIs.
-    BaseWithIndexAndDisplacement64Matcher mleft(m.left().node(), true);
+    BaseWithIndexAndDisplacement64Matcher mleft(
+        m.left().node(), BaseWithIndexAndDisplacement64Matcher::kAllowAll);
     if (mleft.matches() && mleft.index() == nullptr) {
       int64_t offset = 0;
       Node* displacement = mleft.displacement();