[Interpreter] Change ignition fallback flag to only fallback on catch, not eval.

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 743 matching lines @@
     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_eval_scope() || scope->is_catch_scope() ||
-      scope->calls_eval()) {
+  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_eval_and_catch &&
+  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] == '*');
   }
 
@@ skipping 1051 matching lines @@
 }
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate()).PrintProgram(literal()));
 }
 #endif
 }  // namespace internal
 }  // namespace v8