On Wed, Nov 29, 2017 at 3:44 PM, Sami Tolvanen [off-list ref] wrote:

Make sure the linker doesn't remove .altinstructions or
.altinstr_replacement when CONFIG_LD_DEAD_CODE_DATA_ELIMINATION is
enabled.

This sounds like a bug in the original implementation of
CONFIG_LD_DEAD_CODE_DATA_ELIMINATION? If so, this can likely get
merged regardless of the rest of the patchset, ie. gold support.