[Bug target/63234] arm used label is removed

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63234

--- Comment #4 from Mikael Pettersson <mikpelinux at gmail dot com> ---
(apparently TAB became "save changes", how weird...)

... but .LPIC3 is not defined at all.  .LPIC[0124] are all defined and used.