[Bug other/118802] [15 regression] Bootstrap comparison failure on libphobos/libdruntime/core/internal/gc/impl/conservative/gc.o

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118802

--- Comment #14 from Iain Buclaw <ibuclaw at gcc dot gnu.org> ---
(In reply to Sam James from comment #13)
> Thanks Iain.
> 
> Building stage0 with STAGE1_C{,XX}FLAGS="-O0" works. I'll try reproduce
> manually next.
At the bottom of the conservative/gc.d module (well, almost anywhere should
work as well) you could add these pragmas for some compile-time
introspection/diagnostic.


pragma(msg, "Gcx.isZeroInit = ", __traits(isZeroInit, Gcx));
pragma(msg, "Gcx.init = ", Gcx.init);