[runtime] Fix AbortJS builtin to call AbortJS

Instead of calling Abort, which was failing when trying to read its
string argument as a Smi.

Change-Id: I008b8620cbb7df2a56fc5c5ea42f4d573b159f76
Reviewed-on: https://chromium-review.googlesource.com/856778Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50431}

src/builtins/builtins-internal-gen.cc

@@ -946,7 +946,7 @@ TF_BUILTIN(PromiseResolveThenableJob, InternalBuiltinsAssembler) {
 TF_BUILTIN(AbortJS, CodeStubAssembler) {
   Node* message = Parameter(Descriptor::kObject);
   Node* reason = SmiConstant(0);
-  TailCallRuntime(Runtime::kAbort, reason, message);
+  TailCallRuntime(Runtime::kAbortJS, reason, message);
 }
 
 }  // namespace internal