[Bug d/117621] [13/14/15 regression] runnable/mangle.d test fails with -g (d21: error: type variant differs by TYPE_PACKED)

[ibuclaw at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117621

--- Comment #3 from Iain Buclaw <ibuclaw at gcc dot gnu.org> ---
The last change that touched TYPE_PACKED between 12..13 was
r13-1104-gf4c3ce32fa54c1.

Could start there for a quick bisect.