Subject: Re: bug#57789: Emacs 28.1 clone build with native compilation crashes on s390x

From: Rob Browning <[email-masked]>
Date: Sat, 17 Sep 2022 16:04:31 -0500

Gerd Möllmann <[email-masked]> writes:

> Looking at Rob's backtrace, 
>
> #0  mark_object (arg=<optimized out>) at alloc.c:6809
> #1  0x000002aa001a8ee6 in mark_objects (n=<optimized out>, obj=0x2aa00ac54a8) at alloc.c:6607
> #2  mark_vectorlike (header=0x2aa00ac54a0) at alloc.c:6382
> #3  0x000002aa001a8ee6 in mark_objects (n=<optimized out>, obj=0x2aa007f4ca8) at alloc.c:6607
> #4  mark_vectorlike (header=0x2aa007f4ca0) at alloc.c:6382
> #5  0x000002aa001a8ee6 in mark_objects (n=<optimized out>, obj=0x2aa007c3b10) at alloc.c:6607
> #6  mark_vectorlike (header=0x2aa007c3b08) at alloc.c:6382
> #7  0x000002aa001a7c3e in visit_static_gc_roots (visitor=...) at alloc.c:5926
>
> and seeing frame#7, would it be a way forward to determine which
> staticpro (I assume it is a staticpro) that is?  Maybe that can give a
> clue which one can then use together with a bisect, perhaps?

Not completely sure I followed, but moving up to that frame and printing
visitor didn't work: "optimized out".

-- 
Rob Browning
rlb @defaultvalue.org and @debian.org
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