[ic] Introduce IsXyzIC() predicates.

src/compiler/js-native-context-specialization.cc

Index: src/compiler/js-native-context-specialization.cc
diff --git a/src/compiler/js-native-context-specialization.cc b/src/compiler/js-native-context-specialization.cc
index ed9cf4e41d8ae85f833f3c2a95f85873502a0e95..2de95b61f67eaf009b998a70c02597f26c9ed4cf 100644
--- a/src/compiler/js-native-context-specialization.cc
+++ b/src/compiler/js-native-context-specialization.cc
@@ -564,7 +564,7 @@ Reduction JSNativeContextSpecialization::ReduceNamedAccess(
       // We do not handle generic calls in try blocks.
       if (is_exceptional) return NoChange();
       // We only handle the generic store IC case.
-      if (vector->GetKind(slot) != FeedbackVectorSlotKind::STORE_IC) {
+      if (!vector->IsStoreIC(slot)) {
         return NoChange();
       }
     }
@@ -1558,7 +1558,7 @@ JSNativeContextSpecialization::BuildPropertyAccess(
   } else {
     DCHECK(access_info.IsGeneric());
     DCHECK_EQ(AccessMode::kStore, access_mode);
-    DCHECK_EQ(FeedbackVectorSlotKind::STORE_IC, vector->GetKind(slot));
+    DCHECK(vector->IsStoreIC(slot));
     Callable callable =
         CodeFactory::StoreICInOptimizedCode(isolate(), language_mode);
     const CallInterfaceDescriptor& descriptor = callable.descriptor();