handle the special snowflakes that are Integer Indexed Exotic objects

src/ic/handler-compiler.cc

Index: src/ic/handler-compiler.cc
diff --git a/src/ic/handler-compiler.cc b/src/ic/handler-compiler.cc
index 15dc941503e8309798b78ea47f2ba01ec2fa8465..db6405538b92ea023f26b1dc5828d3f5c08dc0cb 100644
--- a/src/ic/handler-compiler.cc
+++ b/src/ic/handler-compiler.cc
@@ -280,6 +280,7 @@ Handle<Code> NamedLoadHandlerCompiler::CompileLoadInterceptor(
     case LookupIterator::INTERCEPTOR:
     case LookupIterator::JSPROXY:
     case LookupIterator::NOT_FOUND:
+    case LookupIterator::INTEGER_INDEXED_EXOTIC:
       break;
     case LookupIterator::DATA:
       inline_followup =
@@ -346,6 +347,7 @@ void NamedLoadHandlerCompiler::GenerateLoadPostInterceptor(
     case LookupIterator::INTERCEPTOR:
     case LookupIterator::JSPROXY:
     case LookupIterator::NOT_FOUND:
+    case LookupIterator::INTEGER_INDEXED_EXOTIC:
     case LookupIterator::TRANSITION:
       UNREACHABLE();
     case LookupIterator::DATA: {