Fix null pointer representations
authorTaiseiIto <taisei1212@outlook.jp>
Tue, 13 Sep 2022 13:55:03 +0000 (22:55 +0900)
committerTom Tromey <tromey@adacore.com>
Mon, 17 Oct 2022 13:17:36 +0000 (07:17 -0600)
commitc7f83b0d14e38e4c3f169b4fc538491782e7d915
treeb316584722905aa8f649f8539c95d04a284291f9
parente57f7fa070e16683c0e1ddd0d1307d243fad990d
Fix null pointer representations

Since "NULL" and "0" are used to represent invalid address in function
"gdbarch_find_by_info" in "binutils-gdb/gdb/arch-utils.c", I modified
them to "nullptr".
gdb/arch-utils.c