Don't call S_utf8_mg_pos_cache_update(), and hence don't even create

the magic for the UTF-8 cache, if the UTF-8 caching is disabled.

p4raw-id: //depot/perl@33579

1 files changed, 4 insertions, 2 deletions

diff --git a/sv.c b/sv.c
index ce6c3f7595..e800bd75f6 100644
--- a/sv.c
+++ b/sv.c
@@ -5882,7 +5882,8 @@ S_sv_pos_u2b_cached(pTHX_ SV *const sv, MAGIC **const mgp, const U8 *const start
 	boffset = real_boffset;
     }
 
-    S_utf8_mg_pos_cache_update(aTHX_ sv, mgp, boffset, uoffset, send - start);
+    if (PL_utf8cache)
+	utf8_mg_pos_cache_update(sv, mgp, boffset, uoffset, send - start);
     return boffset;
 }
 
@@ -6237,7 +6238,8 @@ Perl_sv_pos_b2u(pTHX_ register SV *const sv, I32 *const offsetp)
     }
     *offsetp = len;
 
-    S_utf8_mg_pos_cache_update(aTHX_ sv, &mg, byte, len, blen);
+    if (PL_utf8cache)
+	utf8_mg_pos_cache_update(sv, &mg, byte, len, blen);
 }
 
 /*