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From: "mikpelinux at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/98860] [11 Regression] boostrap failure on MinGW-w64
 windows 10
Date: Sat, 06 Feb 2021 22:08:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98860

Mikael Pettersson <mikpelinux at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikpelinux at gmail dot com

--- Comment #25 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Created attachment 50138
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D50138&action=3Dedit
do not default to dwarf5 on Windows

I have the same problem with gcc-11 bootstrap failures due to Exec format
errors post stage 1 on Cygwin64, even with current binutils master. I don't
know if it's a bug in binutils or a limitation in Windows, but DWARF5 clear=
ly
does not work there, so this patch disables it. Works for me on Cygwin64. C=
an
someone please test it on mingw-w64?=