[Bug c++/95883] Attributes on lambdas appear to be parsed in the wrong place

[ttimo at valvesoftware dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95883

--- Comment #2 from Timothee Besset <ttimo at valvesoftware dot com> ---
Created attachment 48787
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48787&action=edit
Add a parse for gnu attributes before CPP_DEREF, fixes regression

Proposed patch. Add a parsing for gnu attributes before the CPP_DEREF (->)
parsing.