as.info: L

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Include Local Labels: `-L'

   Labels beginning with `L' (upper case only) are called "local
labels". *Note Symbol Names::.  Normally you do not see such labels when
debugging, because they are intended for the use of programs (like
compilers) that compose assembler programs, not for your notice.
Normally both `as' and `ld' discard such labels, so you do not normally
debug with them.
   This option tells `as' to retain those `L...' symbols in the object
file.  Usually if you do this you also tell the linker `ld' to preserve
symbols whose names begin with `L'.
   By default, a local label is any label beginning with `L', but each
target is allowed to redefine the local label prefix.  On the HPPA
local labels begin with `L$'.