[perl #129366] Assertion `!(o->op_private &~PL_op_private_valid[type])' failed (Perl_op_free op.c:791)

On Mon Sep 26 20:34:31 2016, brian.carpenter@gmail.com wrote:
> Triggered with Perl v5.25.6 (v5.25.5-15-g2e2af85).
> 
> ./perl -e 'sub{grep{()}0..0^-1'
> Range iterator outside integer range at -e line 1.
> perl: op.c:791: void Perl_op_free(OP *): Assertion `!(o->op_private &
> ~PL_op_private_valid[type])' failed.
> Aborted

Likely related to [RT #129320]

-- 
Respectfully,
Dan Collins

• [perl #129366] Assertion `!(o->op_private &~PL_op_private_valid[type])' failed (Perl_op_free op.c:791) by Brian Carpenter via RT
• [perl #129366] Assertion `!(o->op_private &~PL_op_private_valid[type])' failed (Perl_op_free op.c:791) by Dan Collins via RT
• [perl #129366] Assertion `!(o->op_private &~PL_op_private_valid[type])' failed (Perl_op_free op.c:791) by Brian Carpenter