Re-re-land "[es6] Implement destructuring binding in try/catch"

test/cctest/test-parsing.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6496 matching lines @@
 TEST(DestructuringPositiveTests) {
   i::FLAG_harmony_destructuring = true;
 
   const char* context_data[][2] = {{"'use strict'; let ", " = {};"},
                                    {"var ", " = {};"},
                                    {"'use strict'; const ", " = {};"},
                                    {"function f(", ") {}"},
                                    {"function f(argument1, ", ") {}"},
                                    {"var f = (", ") => {};"},
                                    {"var f = (argument1,", ") => {};"},
+                                   {"try {} catch(", ") {}"},
                                    {NULL, NULL}};
 
   // clang-format off
   const char* data[] = {
     "a",
     "{ x : y }",
     "{ x : y = 1 }",
     "{ get, set }",
     "{ get = 1, set = 2 }",
     "[a]",
@@ skipping 41 matching lines @@
 
   {  // All modes.
     const char* context_data[][2] = {{"'use strict'; let ", " = {};"},
                                      {"var ", " = {};"},
                                      {"'use strict'; const ", " = {};"},
                                      {"function f(", ") {}"},
                                      {"function f(argument1, ", ") {}"},
                                      {"var f = (", ") => {};"},
                                      {"var f = ", " => {};"},
                                      {"var f = (argument1,", ") => {};"},
+                                     {"try {} catch(", ") {}"},
                                      {NULL, NULL}};
 
     // clang-format off
     const char* data[] = {
         "a++",
         "++a",
         "delete a",
         "void a",
         "typeof a",
         "--a",
@@ skipping 667 matching lines @@
     NULL
   };
   // clang-format on
 
   static const ParserFlag fail_flags[] = {
       kAllowHarmonySloppy, kAllowHarmonySloppyLet, kNoLegacyConst,
       kAllowHarmonyDestructuring};
   RunParserSyncTest(context_data, fail_data, kError, NULL, 0, fail_flags,
                     arraysize(fail_flags));
 }