On Mon, 17 Feb 2025, Richard Biener wrote:
> The following shows that tail-merging will make dead SSA defs live
> in paths where it wasn't before, possibly introducing UB or as
> in this case, uses of abnormals that eventually fail coalescing
> later. The fix is to register such defs for stmt com
The following shows that tail-merging will make dead SSA defs live
in paths where it wasn't before, possibly introducing UB or as
in this case, uses of abnormals that eventually fail coalescing
later. The fix is to register such defs for stmt comparison.
Bootstrap and regtest running on x86_64-un