Commit
ca4bf58e4ee5951473a861716193063c5ef83e9a
by Stanislav.Mekhanoshin[AMDGPU] Support unaligned flat scratch in TLI
Adjust SITargetLowering::allowsMisalignedMemoryAccessesImpl for
unaligned flat scratch support. Mostly needed for global isel.
Differential Revision: https://reviews.llvm.org/D93669