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Date: Tue, 06 Sep 2022 16:19:53 +0200
From: Iain Buclaw <ibuclaw@gdcproject.org>
Subject: Re: [PATCH] d: Fix #error You must define PREFERRED_DEBUGGING_TYPE if
 DWARF is not supported (PR105659)
To: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Cc: Iain Buclaw via Gcc-patches <gcc-patches@gcc.gnu.org>, Joseph Myers
	<joseph@codesourcery.com>, Richard Biener <richard.guenther@gmail.com>
References: <20220816211627.209433-1-ibuclaw@gdcproject.org>
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Excerpts from Rainer Orth's message of September 6, 2022 2:04 pm:
> Hi Iain,
>=20
>> Is there a difference in output from `./gcc/d21 -quiet -v` ?
>>
>> Pay attention to any predefs that have suddenly appeared or disappeared.
>=20
> there is indeed ;-)  The previous d21 emits
>=20
> binary    ./266566/gcc/d21
> version   v2.100.1
>=20
> predefs   GNU D_Version2 LittleEndian GNU_DWARF2_Exceptions GNU_StackGrow=
sDown GNU_InlineAsm assert D_PreConditions D_PostConditions D_Invariants D_=
ModuleInfo D_Exceptions D_TypeInfo all X86 D_HardFloat Posix Solaris CppRun=
time_Gcc
>=20
> while the patched one gives
>=20
> core.exception.ArrayIndexError@/var/gcc/reghunt/master/gcc/d/dmd/root/str=
ingtable.d(291): index [3530971477] is out of bounds for array of length 0
> gcc.deh(505): uncaught exception
> <built-in>: internal compiler error: Abort
> 0x96d5b6c crash_signal
> 	/var/gcc/reghunt/master/gcc/toplev.cc:314
>=20

Excellent, and the stage1 compiler?

Iain.