[flang-commits] [flang] [flang][FIR] implement asm alias interface for fir.type under option (PR #208665)

[via flang-commits]

jeanPerier wrote:

As a data point, the size of the IR produced for the following program with `flang -fc1 -emit-fir` goes from 346K to 2.7K with the patch and the option:

```
subroutine foo()
  type t1
    integer :: i, j, k, l
  end type
  type t2
    type(t1) :: a1, a2, a3, a4
  end type
  type t3
    type(t2) :: b1, b2, b3, b4
  end type
  type t4
    type(t3) :: c1, c2, c3, c4
  end type
  type t5
    type(t4) :: d1, d2, d3, d4
  end type
  type(t5) :: x, y, z
  call bar(x, y, z)
  call bar(x, y, z)
  call bar(x, y, z)
  call bar(x, y, z)
end subroutine
```

https://github.com/llvm/llvm-project/pull/208665