Distinguish slow from fast sloppy arguments

src/arm64/lithium-codegen-arm64.cc

Index: src/arm64/lithium-codegen-arm64.cc
diff --git a/src/arm64/lithium-codegen-arm64.cc b/src/arm64/lithium-codegen-arm64.cc
index c71af490fdf8fc919541d3e0b05cc480fd36be92..4aeb2b3515b2c8f7a1c7785a8d0b8a50ac3bfe95 100644
--- a/src/arm64/lithium-codegen-arm64.cc
+++ b/src/arm64/lithium-codegen-arm64.cc
@@ -3481,7 +3481,8 @@ void LCodeGen::DoLoadKeyedExternal(LLoadKeyedExternal* instr) {
       case FAST_ELEMENTS:
       case FAST_SMI_ELEMENTS:
       case DICTIONARY_ELEMENTS:
-      case SLOPPY_ARGUMENTS_ELEMENTS:
+      case FAST_SLOPPY_ARGUMENTS_ELEMENTS:
+      case SLOW_SLOPPY_ARGUMENTS_ELEMENTS:
         UNREACHABLE();
         break;
     }
@@ -5192,7 +5193,8 @@ void LCodeGen::DoStoreKeyedExternal(LStoreKeyedExternal* instr) {
       case FAST_HOLEY_ELEMENTS:
       case FAST_HOLEY_SMI_ELEMENTS:
       case DICTIONARY_ELEMENTS:
-      case SLOPPY_ARGUMENTS_ELEMENTS:
+      case FAST_SLOPPY_ARGUMENTS_ELEMENTS:
+      case SLOW_SLOPPY_ARGUMENTS_ELEMENTS:
         UNREACHABLE();
         break;
     }