Program with utf8 identifiers fails to compile

p4raw-id: //depot/perl@2038

1 files changed, 4 insertions, 0 deletions

diff --git a/pp.c b/pp.c
index 9d9ad5c50d..14c8a25461 100644
--- a/pp.c
+++ b/pp.c
@@ -1316,6 +1316,10 @@ PP(pp_negate)
 		sv_setsv(TARG, sv);
 		*SvPV_force(TARG, len) = *s == '-' ? '+' : '-';
 	    }
+	    else if (IN_UTF8 && *(U8*)s >= 0xc0 && isIDFIRST_utf8(s)) {
+		sv_setpvn(TARG, "-", 1);
+		sv_catsv(TARG, sv);
+	    }
 	    else
 		sv_setnv(TARG, -SvNV(sv));
 	    SETTARG;