Print reason for disabling optimization. Kill --trace-bailout flag.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index da003de2baaf7d44d2fe5143c9d98275c14b478b..5ef0739145f0a98b5299deddcbb28b352e2c3b3c 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -99,17 +99,8 @@ void LCodeGen::FinishCode(Handle<Code> code) {
 }
 
 
-void LCodeGen::Abort(const char* format, ...) {
-  if (FLAG_trace_bailout) {
-    SmartArrayPointer<char> name(
-        info()->shared_info()->DebugName()->ToCString());
-    PrintF("Aborting LCodeGen in @\"%s\": ", *name);
-    va_list arguments;
-    va_start(arguments, format);
-    OS::VPrint(format, arguments);
-    va_end(arguments);
-    PrintF("\n");
-  }
+void LCodeGen::Abort(const char* reason) {
+  info()->set_bailout_reason(reason);
   status_ = ABORTED;
 }