Commit 470730a8 authored by Kenichi Handa's avatar Kenichi Handa

(concat): Check STRINGP before increasing result_len_byte.

parent e68e61b5
......@@ -456,7 +456,7 @@ concat (nargs, args, target_type, last_special)
if (this_len_byte > 1)
some_multibyte = 1;
}
else
else if (STRINGP (this))
{
result_len_byte += XSTRING (this)->size_byte;
if (STRING_MULTIBYTE (this))
......
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