Move BailoutReason and flags computation to post-pass

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/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/ast-numbering.h"
 #include "src/bootstrapper.h"
@@ skipping 723 matching lines @@
     Handle<Context> native_context(function->context()->native_context());
     SharedFunctionInfo::AddToOptimizedCodeMap(shared, native_context, code,
                                               literals, info->osr_ast_id());
   }
 }
 
 
 static bool Renumber(CompilationInfo* info) {
   if (!AstNumbering::Renumber(info->function(), info->zone())) return false;
   if (!info->shared_info().is_null()) {
-    info->shared_info()->set_ast_node_count(info->function()->ast_node_count());
+    FunctionLiteral* lit = info->function();
+    info->shared_info()->set_ast_node_count(lit->ast_node_count());
+    info->shared_info()->set_bailout_reason(lit->dont_optimize_reason());

[wingo, 2014/10/27 15:08:20]

As mstarzinger points out, this should probably be
SharedFunctionInfo::DisableOptimization().

+    info->shared_info()->set_dont_cache(lit->flags()->Contains(kDontCache));
   }
   return true;
 }
 
 
 bool Compiler::Analyze(CompilationInfo* info) {
   DCHECK(info->function() != NULL);
   if (!Rewriter::Rewrite(info)) return false;
   if (!Scope::Analyze(info)) return false;
   if (!Renumber(info)) return false;
@@ skipping 712 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal