remove $^U dependent behaviors in runtime; chr() and sprintf('%c',...)

now return bytes all the way to 255, they will be transparently
coerced (in future) to UTF-8 when they are used in operations
involving other UTF-8 strings; C<use utf8> doesn't set $^U anymore

p4raw-id: //depot/perl@5013

1 files changed, 2 insertions, 2 deletions

diff --git a/pp.c b/pp.c
index 9406a0b343..eb0522878d 100644
--- a/pp.c
+++ b/pp.c
@@ -2199,10 +2199,9 @@ PP(pp_chr)
     char *tmps;
     U32 value = POPu;
 
-    SvUTF8_off(TARG);				/* decontaminate */
     (void)SvUPGRADE(TARG,SVt_PV);
 
-    if (value >= 128 && PL_bigchar && !IN_BYTE) {
+    if (value > 255 && !IN_BYTE) {
 	SvGROW(TARG,8);
 	tmps = SvPVX(TARG);
 	tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value);
@@ -2219,6 +2218,7 @@ PP(pp_chr)
     tmps = SvPVX(TARG);
     *tmps++ = value;
     *tmps = '\0';
+    SvUTF8_off(TARG);				/* decontaminate */
     (void)SvPOK_only(TARG);
     XPUSHs(TARG);
     RETURN;