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bug#28308: Build failure on FreeBSD/aarch64


From: npostavs
Subject: bug#28308: Build failure on FreeBSD/aarch64
Date: Fri, 01 Sep 2017 23:13:24 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2.50 (gnu/linux)

Gergely Czuczy <address@hidden> writes:

> EMACSLOADPATH= '../src/bootstrap-emacs' -batch --no-site-file --no-site-lisp 
> --eval '(setq load-prefer-newer t)'  -f batch-byte-compile 
> emacs-lisp/macroexp.el

> (lldb) bt
> * thread #1, name = 'bootstrap-emacs', stop reason = signal SIGSEGV
>   * frame #0: 0x0000000000158584 bootstrap-emacs`oblookup + 120
>     frame #1: 0x000000000015843c bootstrap-emacs`intern_1 + 92
>     frame #2: 0x00000000000fb0cc bootstrap-emacs`Fdo_auto_save + 220
>     frame #3: 0x00000000000c5bd8 bootstrap-emacs`shut_down_emacs + 216
>     frame #4: 0x00000000000c5a04 bootstrap-emacs`terminate_due_to_signal + 128
>     frame #5: 0x00000000000df574 bootstrap-emacs`deliver_fatal_thread_signal 
> + 128
>     frame #6: 0x00000000000e0ec8 bootstrap-emacs`handle_sigsegv + 164
>     frame #7: 0x00000000404cfe80 
> libthr.so.3`handle_signal(actp=0x0000000000539600, sig=11, 
> info=0x0000000000539670, ucp=0x00000000005396c0) at thr_sig.c:244
>     frame #8: 0x00000000404cf5a4 libthr.so.3`thr_sighandler(sig=11, 
> info=0x0000000000539670, _ucp=0x00000000005396c0) at thr_sig.c:189

This looks like a segfault triggered from the segfault handler.  Can you
run the batch-byte-compile command above under the debugger and catch
the original segfault?





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