[AIX] Update default arch on AIX
authorSteven Wan <wanyu9511@gmail.com>
Thu, 4 Mar 2021 00:06:37 +0000 (19:06 -0500)
committerSteven Wan <wanyu9511@gmail.com>
Thu, 4 Mar 2021 00:07:43 +0000 (19:07 -0500)
commit0b274ed499603d30694c0b995252ab014609acf9
tree13a292fb1f15dab1e60234656244c01e2b093ab8
parente07c968a6da0c280b58e065d17698a30a3a91eab
[AIX] Update default arch on AIX

On AIX, the default arch level should match the minimum supported arch level of the OS version.

Differential Revision: https://reviews.llvm.org/D97823
clang/lib/Driver/ToolChains/CommonArgs.cpp
clang/test/Driver/aix-mcpu-default.c