diff options
| -rw-r--r-- | string.c | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -1105,13 +1105,21 @@ rb_str_to_str(VALUE str) } static inline void str_discard(VALUE str); +static void str_shared_replace(VALUE str, VALUE str2); void rb_str_shared_replace(VALUE str, VALUE str2) { + if (str != str2) str_shared_replace(str, str2); +} + +static void +str_shared_replace(VALUE str, VALUE str2) +{ rb_encoding *enc; int cr; - if (str == str2) return; + + ASSUME(str2 != str); enc = STR_ENC_GET(str2); cr = ENC_CODERANGE(str2); str_discard(str); @@ -4477,7 +4485,7 @@ str_gsub(int argc, VALUE *argv, VALUE str, int bang) } rb_pat_search(pat, str, last, 1); if (bang) { - rb_str_shared_replace(str, dest); + str_shared_replace(str, dest); } else { RBASIC_SET_CLASS(dest, rb_obj_class(str)); @@ -4872,7 +4880,7 @@ rb_str_reverse_bang(VALUE str) } } else { - rb_str_shared_replace(str, rb_str_reverse(str)); + str_shared_replace(str, rb_str_reverse(str)); } } else { |