[perl #123954] Perl_pp_substcont: Assertion `((sv)->sv_flags & 0x00000400)' failed (pp_ctl.c:318)

On Sat Feb 28 15:45:33 2015, brian.carpenter@gmail.com wrote:
> perl: pp_ctl.c:318: Perl_pp_substcont: Assertion `((sv)->sv_flags &
> 0x00000400)' failed.
...
> Test case that causes this failure is 22 bytes, here's a hexdump:
> 0000000 7730 6968 656c 7320 2f2f 6863 2872 5f24
>                          0000010 2b2b 2f29 6567
> 0000016

On a non-debugging build, I see:

$ perl5.20.1 -e '0while s//chr($_++)/ge'
Substitution loop at -e line 1.

all the way back to 5.8.7.  ‘Substitution loop’ is one of those errors that is not supposed to happen.

-- 

Father Chrysostomos


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via perlbug:  queue: perl5 status: new
https://rt.perl.org/Ticket/Display.html?id=123954

• [perl #123954] Perl_pp_substcont: Assertion `((sv)->sv_flags & 0x00000400)' failed (pp_ctl.c:318) by Father Chrysostomos via RT
• [perl #123954] Perl_pp_substcont: Assertion `((sv)->sv_flags & 0x00000400)' failed (pp_ctl.c:318) by Brian Carpenter