On Tue, 29 May 2018, Richard Biener wrote:
>
> The following fixes the situation where the initial sweep over the
> CFG to remove trivially dead code regions causes excessive compile-time
> because of using remove_edge_and_dominated_blocks and thus
> iterate_fix_dominators.
>
> The good thing is
The following fixes the situation where the initial sweep over the
CFG to remove trivially dead code regions causes excessive compile-time
because of using remove_edge_and_dominated_blocks and thus
iterate_fix_dominators.
The good thing is that I added cleanup_control_flow_pre doing this
initial