introduce $^U, a global bit to indicate whether system

calls should using widechar APIs; chr and sprintf "%c" also
follow this flag in the absense of "use byte"; "use utf8"
sets $^U=1 (this appears kludgey)

p4raw-id: //depot/perl@4937

1 files changed, 1 insertions, 0 deletions

diff --git a/gv.c b/gv.c
index acd85012e7..b8fef0d8b0 100644
--- a/gv.c
+++ b/gv.c
@@ -837,6 +837,7 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
     case '\017':	/* $^O */
     case '\020':	/* $^P */
     case '\024':	/* $^T */
+    case '\025':	/* $^U */
 	if (len > 1)
 	    break;
 	goto magicalize;