JavaScriptLanguage provides also StandardTags.TryBlockTag.

iamstolis · iamstolis · commit b73501df4f88 · 2020-04-08T12:25:19.000+02:00
diff --git a/graal-js/src/com.oracle.truffle.js/src/com/oracle/truffle/js/lang/JavaScriptLanguage.java b/graal-js/src/com.oracle.truffle.js/src/com/oracle/truffle/js/lang/JavaScriptLanguage.java
@@ -122,6 +122,7 @@
                 StandardTags.CallTag.class,
                 StandardTags.ReadVariableTag.class,
                 StandardTags.WriteVariableTag.class,
+                StandardTags.TryBlockTag.class,
                 DebuggerTags.AlwaysHalt.class,
                 // Expressions
                 ObjectAllocationTag.class,
