Set bailout reason to kCodeGenerationFailed only when it is not set yet

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 13cdb9b1e9ea8ce355e0ea2c1ef78e8689dda514..5ed274a7a20f4ae734db91772bcdfb7d7e64e536 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -485,7 +485,7 @@ OptimizingCompiler::Status OptimizingCompiler::GenerateAndInstallCode() {
     DisallowDeferredHandleDereference no_deferred_handle_deref;
     Handle<Code> optimized_code = chunk_->Codegen();
     if (optimized_code.is_null()) {
-      if (info()->bailout_reason() != kNoReason) {
+      if (info()->bailout_reason() == kNoReason) {
         info()->set_bailout_reason(kCodeGenerationFailed);
       }
       return AbortOptimization();