[interpreter] Deprecate --ignition-fallback-on-catch flag.

src/compiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler.h"
 
 #include <algorithm>
 
 #include "src/ast/ast-numbering.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 722 matching lines @@
   if (!Compiler::Analyze(info->parse_info()) ||
       !FullCodeGenerator::MakeCode(info)) {
     Isolate* isolate = info->isolate();
     if (!isolate->has_pending_exception()) isolate->StackOverflow();
     return false;
   }
   return true;
 }
 
 
-// TODO(rmcilroy): Remove this temporary work-around when ignition supports
-// catch and eval.
-static bool IgnitionShouldFallbackToFullCodeGen(Scope* scope) {
-  if (scope->is_catch_scope()) {
-    return true;
-  }
-  for (auto inner_scope : *scope->inner_scopes()) {
-    if (IgnitionShouldFallbackToFullCodeGen(inner_scope)) return true;
-  }
-  return false;
-}
-
-
 static bool UseIgnition(CompilationInfo* info) {
   // Cannot use Ignition when the {function_data} is already used.
   if (info->has_shared_info() && info->shared_info()->HasBuiltinFunctionId()) {
     return false;
   }
 
-  // Checks whether the scope chain is supported.
-  if (FLAG_ignition_fallback_on_catch &&
-      IgnitionShouldFallbackToFullCodeGen(info->scope())) {
-    return false;
-  }
-
   // Checks whether top level functions should be passed by the filter.
   if (info->closure().is_null()) {
     Vector<const char> filter = CStrVector(FLAG_ignition_filter);
     return (filter.length() == 0) || (filter.length() == 1 && filter[0] == '*');
   }
 
   // Finally respect the filter.
   return info->closure()->PassesFilter(FLAG_ignition_filter);
 }
 
@@ skipping 1047 matching lines @@
 }
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate()).PrintProgram(literal()));
 }
 #endif
 }  // namespace internal
 }  // namespace v8