[gcc r12-4495] Change threading comment before pass_ccp pass.

[gcc r12-4495] Change threading comment before pass_ccp pass.

[Aldy Hernandez]

https://gcc.gnu.org/g:d2161caffbb56a434776608af4e4491b59e508c8

commit r12-4495-gd2161caffbb56a434776608af4e4491b59e508c8
Author: Aldy Hernandez <aldyh@redhat.com>
Date:   Tue Oct 19 09:33:34 2021 +0200

    Change threading comment before pass_ccp pass.
    
    gcc/ChangeLog:
    
            * passes.def: Change threading comment before pass_ccp pass.

Diff:
---
 gcc/passes.def | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gcc/passes.def b/gcc/passes.def
index c11c237f6d2..4c54176328b 100644
--- a/gcc/passes.def
+++ b/gcc/passes.def
@@ -339,9 +339,7 @@ along with GCC; see the file COPYING3.  If not see
       NEXT_PASS (pass_thread_jumps);
       NEXT_PASS (pass_vrp, false /* warn_array_bounds_p */);
       NEXT_PASS (pass_vrp_threader);
-      /* Threading can leave many const/copy propagations in the IL.
-	 Clean them up.  Instead of just copy_prop, we use ccp to
-	 compute alignment and nonzero bits.  */
+      /* Run CCP to compute alignment and nonzero bits.  */
       NEXT_PASS (pass_ccp, true /* nonzero_p */);
       NEXT_PASS (pass_warn_restrict);
       NEXT_PASS (pass_dse);