gcc-wrapper-8.4.0/bin/as: unrecognized option '-mlfence-after-load=yes'

[sbellem]

to troubleshoot:

gcc-wrapper-8.4.0/bin/as: unrecognized option '-mlfence-after-load=yes'

related: https://www.phoronix.com/scan.php?page=news_item&px=GNU-Assembler-LVI-Options

[sbellem]

Use a version of gcc-wrapper found in https://hydra.nixos.org/search?query=lvwq3g3093injr86lm0kp0f61k5cbpay-gcc-wrapper-8.3.0.