[flang-commits] [flang] To fix polymorphic pointer assignment in FORALL when LHS is unlimited polymorphic and RHS is intrinsic type target (PR #164999)

[Daniel Chen via flang-commits]

DanielCChen wrote:

PR #164279 caused a couple of regressions in our downstream test run. 
Using the`rebox` in this PR instead of a permitted `fir.convert` fixed it.
I will investigate more to broaden the condition for `rebox`.

https://github.com/llvm/llvm-project/pull/164999