Re: [PATCH] d: Fix #error You must define PREFERRED_DEBUGGING_TYPE if DWARF is not supported (PR105659)

[Iain Buclaw <ibuclaw@gdcproject.org>]

Excerpts from Rainer Orth's message of September 6, 2022 9:42 am:
> Hi Iain,
> 
>> Excerpts from Richard Biener's message of September 1, 2022 8:28 am:
>>> On Wed, Aug 31, 2022 at 9:21 PM Iain Buclaw <ibuclaw@gdcproject.org> wrote:
>>> 
>>> Ah yes - I think, even if a bit verbose, this is exactly how it was supposed
>>> to be?
>>> 
>>> OK from my side.
>>> 
>>
>> To access the TARGET macros from arm-d.cc, arm-protos.h had to be
>> included (after tm_p.h was removed).
>>
>> All ~200 configurations in contrib/config-list.mk now build again with
>> the D front-end enabled.
> 
> unfortunately, this patch broke all Solaris configs
> (i386-pc-solaris2.11, sparc-sun-solaris2.11, sparcv9-sun-solaris2.11).
> libphobos configure in stage2 fails with
> 
> can compile D sources
> configure:5402: /var/gcc/regression/master/11.4-gcc/build/./gcc/gdc -B/var/gcc/regression/master/11.4-gcc/build/./gcc/ -B/vol/gcc/i386-pc-solaris2.11/bin/ -B/vol/gcc/i386-pc-solaris2.11/lib/ -isystem /vol/gcc/i386-pc-solaris2.11/include -isystem /vol/gcc/i386-pc-solaris2.11/sys-include   -fno-checking -c -fno-druntime -nostdinc -I /vol/gcc/src/hg/master/local/libphobos/libdruntime  -g -O2   conftest.d >&5
> core.exception.ArrayIndexError@/vol/gcc/src/hg/master/local/gcc/d/dmd/root/stringtable.d(291): index [3530971477] is out of bounds for array of length 0
> gcc.deh(505): uncaught exception
> 
> I don't yet see why, though.

Hi Rainer,

Is there a difference in output from `./gcc/d21 -quiet -v` ?

Pay attention to any predefs that have suddenly appeared or disappeared.

Regards,
Iain.