https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71071
--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> --- So, we're trying to fold the "a.dumped != 0" condition. "a.dumped" is a COMPONENT_REF with VAR_DECL "a", and while folding we change the alias set of the VAR_DECL "a" from -1 to 1, so the fold checksum is upset.
