> Here is the revised patch. Bootstrap and regression tested on linux/x86-64. > > Honza, can you comment on the implication of this change? Well, as I explained in previous email, this was traditinal place where frontends collect garbage while parsing, so you would need to verify that all the existing frontends actually do collect garbage resonably often. The change just adding GTY root seems better to me BTW. C++ FE produce garbage and should thus garbage collect...
Honza