Fix method dispatch in Keyed/StoreIC, and JumpIfNotUniqueName usage

src/ic/arm64/ic-compiler-arm64.cc

Index: src/ic/arm64/ic-compiler-arm64.cc
diff --git a/src/ic/arm64/ic-compiler-arm64.cc b/src/ic/arm64/ic-compiler-arm64.cc
index fd9a4dbd793e30f3c606d868a00d5cbdeeca2bac..ffc1069f231eea8ffc8a4e7ab75177658820a60f 100644
--- a/src/ic/arm64/ic-compiler-arm64.cc
+++ b/src/ic/arm64/ic-compiler-arm64.cc
@@ -45,7 +45,11 @@ Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types,
     // In case we are compiling an IC for dictionary loads and stores, just
     // check whether the name is unique.
     if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
-      __ JumpIfNotUniqueName(this->name(), &miss);
+      Register tmp = scratch1();
+      __ JumpIfSmi(this->name(), &miss);
+      __ Ldr(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset));
+      __ Ldrb(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset));
+      __ JumpIfNotUniqueNameInstanceType(tmp, &miss);
     } else {
       __ CompareAndBranch(this->name(), Operand(name), ne, &miss);
     }