VectorICs: keyed element loads were kicking out non-smi keys unnecessarily

src/arm64/full-codegen-arm64.cc

Index: src/arm64/full-codegen-arm64.cc
diff --git a/src/arm64/full-codegen-arm64.cc b/src/arm64/full-codegen-arm64.cc
index 786d5fee967af9e8f5fa48ed73967ff2cc7dce85..063db979e7b29421006f058da6270bf87b318abe 100644
--- a/src/arm64/full-codegen-arm64.cc
+++ b/src/arm64/full-codegen-arm64.cc
@@ -3821,7 +3821,7 @@ void FullCodeGenerator::EmitStringCharCodeAt(CallRuntime* expr) {
   __ B(&done);
 
   NopRuntimeCallHelper call_helper;
-  generator.GenerateSlow(masm_, call_helper);
+  generator.GenerateSlow(masm_, NOT_PART_OF_IC_HANDLER, call_helper);
 
   __ Bind(&done);
   context()->Plug(result);
@@ -3867,7 +3867,7 @@ void FullCodeGenerator::EmitStringCharAt(CallRuntime* expr) {
   __ B(&done);
 
   NopRuntimeCallHelper call_helper;
-  generator.GenerateSlow(masm_, call_helper);
+  generator.GenerateSlow(masm_, NOT_PART_OF_IC_HANDLER, call_helper);
 
   __ Bind(&done);
   context()->Plug(result);