[Bug target/80389] [7 Regression][ARM] -march=armv8-a and -mcpu=cortex-a57 results in invalid .cpu assembly directive

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80389

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P1                          |P2
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-04-11
     Ever confirmed|0                           |1

--- Comment #2 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
cc1: warning: switch -mcpu=cortex-a53 conflicts with -march=armv8-a switch

Changing the architecture to -march=armv8-a+crc (which matches cortex-a53)
causes the problem to go away.