X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=regcomp.c;h=68fe68ce46364269a2fa444a69e13d8030bd0354;hb=8bbf3450a1ff0a3996dade29a4194cc0939d871f;hp=6293ade0e2c83020269140fc052d914c224ca087;hpb=197cf9b9fa28c8b3d5afcefd42f8263ea63819b3;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/regcomp.c b/regcomp.c
index 6293ade..68fe68c 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -1188,7 +1188,9 @@ S_study_chunk(pTHX_ RExC_state_t *pRExC_state, regnode **scanp, I32 *deltap, reg
 		if (  OP(oscan) == CURLYX && data
 		      && !(data->flags & SF_HAS_PAR)
 		      && !(data->flags & SF_HAS_EVAL)
-		      && !deltanext  ) {
+		      && !deltanext	/* atom is fixed width */
+		      && minnext != 0	/* CURLYM can't handle zero width */
+		) {
 		    /* XXXX How to optimize if data == 0? */
 		    /* Optimize to a simpler form.  */
 		    regnode *nxt = NEXTOPER(oscan) + EXTRA_STEP_2ARGS; /* OPEN */