On Thu, 22 Mar 2018, Tom de Vries wrote:
> Hi,
>
> This fixes a 6/7/8 regression, a P3 ICE in the tail-merge pass.
>
>
> Consider the test-case from the patch.
>
> When compiling at -O2, duplicates are found in tail-merge:
> ...
> find_duplicates: duplicate of
> find_duplicates: duplicate o
Hi,
This fixes a 6/7/8 regression, a P3 ICE in the tail-merge pass.
Consider the test-case from the patch.
When compiling at -O2, duplicates are found in tail-merge:
...
find_duplicates: duplicate of
find_duplicates: duplicate of
...
So, tail-merge calls replace_block_by (bb7, bb6).
Howev
