[Bug target/110901] -march does not override -mcpu (big.little on aarch64

[rearnsha at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110901

Richard Earnshaw <rearnsha at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2023-08-07
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #4 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
I think this is a driver bug.  The MCPU_TO_MARCH_SPEC should be wrapped with 

%{!march=*:...} 

so that the CPU architecture is ignored if -march has been explicitly
specified.