Limit depth of inlining for --stress-opt runs to avoid going into infinite recursion.

Review URL: http://codereview.chromium.org/8060033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen.cc

@@ -4559,7 +4559,9 @@ bool HGraphBuilder::TryInline(Call* expr) {
   HEnvironment* env = environment();
   int current_level = 1;
   while (env->outer() != NULL) {
-    if (FLAG_limit_inlining && current_level == Compiler::kMaxInliningLevels) {
+    if (current_level == (FLAG_limit_inlining
+                          ? Compiler::kMaxInliningLevels
+                          : 2 * Compiler::kMaxInliningLevels)) {
       TraceInline(target, caller, "inline depth limit reached");
       return false;
     }