diff options
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -2048,6 +2048,9 @@ str_gsub(argc, argv, str, bang) if (iter) { rb_match_busy(match); val = rb_obj_as_string(rb_yield(rb_reg_nth_match(0, match))); + if (RSTRING(str)->ptr == buf) { + rb_raise(rb_eRuntimeError, "gsub reentered"); + } rb_backref_set(match); } else { |