Do not generate a compile-time error if there is more than one catch-all clause

runtime/vm/parser.cc

Index: runtime/vm/parser.cc
===================================================================
--- runtime/vm/parser.cc	(revision 28964)
+++ runtime/vm/parser.cc	(working copy)
@@ -6713,13 +6713,6 @@
       ExpectToken(Token::kRPAREN);
     }
 
-    // If a generic "catch all" statement has already been seen then all
-    // subsequent catch statements are dead. We issue an error for now,
-    // it might make sense to turn this into a warning.
-    if (generic_catch_seen) {
-      ErrorMsg("a generic 'catch all' statement already exists for this "
-               "try block. All subsequent catch statements are dead code");
-    }
     OpenBlock();
     AddCatchParamsToScope(exception_param,
                           stack_trace_param,