[PATCH v2][Binutils][GAS] arm: Add cfi expression support for ra_auth_code

[Nick Clifton]

Hi Victor,

> gas/Changelog:
>      * config/tc-arm.c (tc_arm_regname_to_dw2regnum): Add
>      REG_TYPE_PSEUDO handling.
>      * testsuite/gas/arm/cfi-pacbti-m-readelf.d: New.
>      * testsuite/gas/arm/cfi-pacbti-m.s: New.

Approved - please apply.

Cheers
   Nick