[clang] [llvm] [HLSL] Add allresourcesbound option to DXC driver and set corresponding module flag (PR #173411)

[Damyan Pepper via cfe-commits]

https://github.com/damyanp commented:

This LGTM.

Does this flag just get passed through to the module flag, or do we expect to change the actual codegen in some way? In the DXC source I see some interaction with a "/Gfa" flag.  Is this something that exists in clang?

https://github.com/llvm/llvm-project/pull/173411