diff options
Diffstat (limited to 'transcode.c')
-rw-r--r-- | transcode.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/transcode.c b/transcode.c index ee6794d9be..9e4c8392c6 100644 --- a/transcode.c +++ b/transcode.c @@ -2644,6 +2644,10 @@ str_encode_associate(VALUE str, int encidx) static VALUE str_encode_bang(int argc, VALUE *argv, VALUE str) { + if (OBJ_FROZEN(str)) { /* in future, may use str_frozen_check from string.c, but that's currently static */ + rb_raise(rb_eRuntimeError, "string frozen"); + } + VALUE newstr = str; int encidx = str_transcode(argc, argv, &newstr); |