diff options
Diffstat (limited to 'src/cregex.c')
| -rw-r--r-- | src/cregex.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cregex.c b/src/cregex.c index def759ee..7789ee6e 100644 --- a/src/cregex.c +++ b/src/cregex.c @@ -570,7 +570,8 @@ _optimize(_Parser *par, _Reprog *pp) cl->end = (_Rune *)((char*)cl->end + diff); break; } - inst->l.left = (_Reinst *)((char*)inst->l.left + diff); + if (inst->l.left) + inst->l.left = (_Reinst *)((char*)inst->l.left + diff); } npp->startinst = (_Reinst *)((char*)npp->startinst + diff); return npp; |