Check all attributes in modify_SV_attributes are recognised.

Fix bug where 'assertion' was always rejected as invalid.

p4raw-id: //depot/perl@23744

1 files changed, 9 insertions, 0 deletions

diff --git a/xsutils.c b/xsutils.c
index 39bf560756..59500bc459 100644
--- a/xsutils.c
+++ b/xsutils.c
@@ -71,6 +71,15 @@ modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
 	switch (SvTYPE(sv)) {
 	case SVt_PVCV:
 	    switch ((int)len) {
+	    case 9:
+		if (strEQ(name, "assertion")) {
+		    if (negated)
+			CvFLAGS((CV*)sv) &= ~CVf_ASSERTION;
+		    else
+			CvFLAGS((CV*)sv) |= CVf_ASSERTION;
+		    continue;
+		}
+		break;
 	    case 6:
 		switch (*name) {
 		case 'a':