006037675c
Please see the following program.
```
module test_0
INTEGER :: sp = 1
!$omp declare target link(sp)
end module test_0
program main
use test_0
integer :: new_len
!$omp target map(tofrom:new_len) map(tofrom:sp)
new_len = sp
!$omp end target
print *, new_len
print *, sp
end program
```
When compiled with
`flang -g -O0 -fopenmp --offload-arch=gfx1100`
will fail the compilation with the following error:
`dbg attachment points at wrong subprogram for function`
The reason is that with the `link` clause on `!$omp declare target`, an
extra load instruction is inserted. But the debug location was not
updated before insertion which caused an invalid location to be attached
to the instruction.
Multi-Level Intermediate Representation
See https://mlir.llvm.org/ for more information.