Assertion failure in perl_yylex (toke.c:6333)

[p5pRT]

Migrated from rt.perl.org#132583 (status was 'resolved')

Searchable as RT132583$

[p5pRT]

From @geeknik

This assertion failure was triggered in Perl v5.27.6-156-g5d4548b73b,
compiled with Clang 6.0.0-trunk and -fsanitize=address.

./perl -e 'format=
^
0m}}
.'

perl​: toke.c​:6333​: int Perl_yylex(void)​: Assertion
`((char*)PL_scopestack_name[PL_scopestack_ix-1] == (char*)"lex_format") ||
strEQ(PL_scopestack_name[PL_scopestack_ix-1], "lex_format")' failed.
Aborted

#0 __GI_raise (sig=sig@​entry=6) at ../sysdeps/unix/sysv/linux/raise.c​:58
#1 0x00007ffff6cc837a in __GI_abort () at abort.c​:89
#2 0x00007ffff6cbeb47 in __assert_fail_base (fmt=<optimized out>,
assertion=assertion@​entry=0xc555c0 <.str.182>
"((char*)PL_scopestack_name[PL_scopestack_ix-1] == (char*)\"lex_format\")
|| strEQ(PL_scopestack_name[PL_scopestack_ix-1], \"lex_format\")",
file=file@​entry=0xc4b240 <.str.1> "toke.c",
  line=line@​entry=6333, function=function@​entry=0xc4d840
<__PRETTY_FUNCTION__.Perl_yylex> "int Perl_yylex(void)") at assert.c​:92
#3 0x00007ffff6cbebf2 in __GI___assert_fail (assertion=0xc555c0 <.str.182>
"((char*)PL_scopestack_name[PL_scopestack_ix-1] == (char*)\"lex_format\")
|| strEQ(PL_scopestack_name[PL_scopestack_ix-1], \"lex_format\")",
file=0xc4b240 <.str.1> "toke.c", line=6333,
  function=0xc4d840 <__PRETTY_FUNCTION__.Perl_yylex> "int
Perl_yylex(void)") at assert.c​:101
#4 0x000000000064d2ec in Perl_yylex () at toke.c​:6333
#5 0x00000000006a67f4 in Perl_yyparse (gramtype=<optimized out>) at
perly.c​:340
#6 0x00000000005a3c22 in S_parse_body (env=<optimized out>,
xsinit=<optimized out>) at perl.c​:2447
#7 0x000000000059ea24 in perl_parse (my_perl=<optimized out>,
xsinit=0x5036f0 <xs_init>, argc=2, argv=<optimized out>, env=0x0) at
perl.c​:1750
#8 0x0000000000503486 in main (argc=0, argv=0x7ffff6cc677f
<__GI_raise+159>, env=0x7fffffffe380) at perlmain.c​:121

[p5pRT]

From @tonycoz

On Thu, 14 Dec 2017 20​:46​:01 -0800, brian.carpenter@​gmail.com wrote​:

This assertion failure was triggered in Perl v5.27.6-156-g5d4548b73b,
compiled with Clang 6.0.0-trunk and -fsanitize=address.

./perl -e 'format=
^
0m}}
.'

This looks like it was fixed by 8174801.

Tony

[p5pRT]

The RT System itself - Status changed from 'new' to 'open'

[p5pRT]

From @tonycoz

On Sun, 20 Jan 2019 19​:26​:47 -0800, tonyc wrote​:

On Thu, 14 Dec 2017 20​:46​:01 -0800, brian.carpenter@​gmail.com wrote​:

This assertion failure was triggered in Perl v5.27.6-156-g5d4548b73b,
compiled with Clang 6.0.0-trunk and -fsanitize=address.

./perl -e 'format=
^
0m}}
.'

This looks like it was fixed by 8174801.

And closing.

Tony

[p5pRT]

@tonycoz - Status changed from 'open' to 'pending release'

[p5pRT]

From @khwilliamson

Thank you for filing this report. You have helped make Perl better.

With the release today of Perl 5.30.0, this and 160 other issues have been
resolved.

Perl 5.30.0 may be downloaded via​:
https://metacpan.org/release/XSAWYERX/perl-5.30.0

If you find that the problem persists, feel free to reopen this ticket.

[p5pRT]

@khwilliamson - Status changed from 'pending release' to 'resolved'