Improved output for bailouts on huge functions

src/hydrogen.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 610 matching lines @@
       new(zone()) HEnvironment(NULL, info->scope(), info->closure());
   start_environment_->set_ast_id(AstNode::kFunctionEntryId);
   entry_block_ = CreateBasicBlock();
   entry_block_->SetInitialEnvironment(start_environment_);
 }
 
 
 Handle<Code> HGraph::Compile(CompilationInfo* info) {
   int values = GetMaximumValueID();
   if (values > LAllocator::max_initial_value_ids()) {
-    if (FLAG_trace_bailout) PrintF("Function is too big\n");
+    if (FLAG_trace_bailout) {
+      SmartArrayPointer<char> name(
+          info->shared_info()->DebugName()->ToCString());
+      PrintF("Function @\"%s\" is too big.\n", *name);
+    }
     return Handle<Code>::null();
   }
 
   LAllocator allocator(values, this);
   LChunkBuilder builder(info, this, &allocator);
   LChunk* chunk = builder.Build();
   if (chunk == NULL) return Handle<Code>::null();
 
   if (!FLAG_alloc_lithium) return Handle<Code>::null();
 
@@ skipping 6691 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal