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From: "glaubitz at physik dot fu-berlin.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/95381] [11 Regression]: Bootstrap on m68k fails with
 ICE: in operator[], at vec.h:867
Date: Thu, 28 May 2020 21:34:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95381

--- Comment #3 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-be=
rlin.de> ---
(In reply to John Paul Adrian Glaubitz from comment #2)
> (In reply to Richard Biener from comment #1)
> > can we have a backtrace?
>=20
> Working on it.

I'm at the point now where I can invoke the command which provokes the cras=
h:

(sid-m68k-sbuild)root@epyc:/build/gcc-snapshot-t0p5re/gcc-snapshot-20200525=
/build-jit/gcc#
/build/gcc-snapshot-t0p5re/gcc-snapshot-20200525/build-jit/./gcc/xgcc
-B/build/gcc-snapshot-t0p5re/gcc-snapshot-20200525/build-jit/./gcc/ -xc++
-nostdinc /dev/null -S -o /dev/null
-fself-test=3D../../src/gcc/testsuite/selftests
cc1plus: internal compiler error: in operator[], at vec.h:867
mmap: Bad file descriptor
close: Bad file descriptor
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions.
(sid-m68k-sbuild)root@epyc:/build/gcc-snapshot-t0p5re/gcc-snapshot-20200525=
/build-jit/gcc#

What kind of backtrace are you looking for? Through GDB?=