[Bug c++/70594] [6 Regression] -fcompare-debug failure

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70594

--- Comment #22 from Richard Biener <rguenth at gcc dot gnu.org> ---
The make_fancy_decl_name change is desirable but decls made by SRA should be
DECL_IGNORED and thus not end up anywhere in debug info.

Allocating or not allocating DECL_UIDs based on GC is a recipie for desaster.
We definiely do _not_ want that.