Unbreak --trace-codegen

Review URL: https://codereview.chromium.org/11571055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13238 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/codegen.cc

@@ -76,7 +76,13 @@ void CodeGenerator::MakeCodePrologue(CompilationInfo* info) {
 
   if (FLAG_trace_codegen || print_source || print_ast) {
     PrintF("*** Generate code for %s function: ", ftype);
-    info->function()->name()->ShortPrint();
+    if (info->IsStub()) {
+      const char* name =
+          CodeStub::MajorName(info->code_stub()->MajorKey(), true);
+      PrintF("%s", name == NULL ? "<unknown>" : name);
+    } else {
+      info->function()->name()->ShortPrint();
+    }
     PrintF(" ***\n");
   }