[Chapel Merge] Fix FI_MR_PROV_KEY support

Branch: refs/heads/main
Revision: 7f6a070
Author: jhh67
Link: Unavailable
Log Message:

Merge pull request #20530 from jhh67/T20520

Fix FI_MR_PROV_KEY support.

Call fi_mr_desc and fi_mr_key after fi_mr_bind and fi_mr_enable. The MR key is invalid prior to those two calls.

[Reviewed by @ronawho]

Modified Files:
M runtime/src/comm/ofi/comm-ofi.c

Compare: https://github.com/chapel-lang/chapel/compare/707f4b8ac2d5...7f6a07009a10