MPI.jl broken with nonblocking isend and irecv

[michel2323]

Enzyme quits with

ERROR: LoadError: Enzyme compilation failed due to illegal type analysis.
Current scope: 
; Function Attrs: mustprogress willreturn
define internal fastcc nonnull {} addrspace(10)* @preprocess_julia_Isend_10032({} addrspace(10)* nonnull align 16 dereferenceable(40) %0, i64 signext %1, i64 signext %2, {} addrspace(10)* nonnull align 4 dereferenceable(4) %3, {} addrspace(10)* nonnull align 8 dereferenceable(16) %4) unnamed_addr #35 !dbg !5260 {
top:

on the latest MPI.jl. A git bisect on MPI.jl revealed this commit as the culprit:
JuliaParallel/MPI.jl@8063a5e

Let me know if you need a MWE.

[wsmoses]

with good CI setup, can we look into an MPI integration test? [cc @vchuravy ]

[vchuravy]

Should be fixed post #518