[gcc/devel/omp/gcc-9] sel-sched: allow negative insn priority (PR 88879)

[Tobias Burnus]

https://gcc.gnu.org/g:0f7b7aeb71d06fc85f49c323fbd4879d5a02f336

commit 0f7b7aeb71d06fc85f49c323fbd4879d5a02f336
Author: Alexander Monakov <amonakov@ispras.ru>
Date:   Fri Feb 14 16:51:21 2020 +0300

    sel-sched: allow negative insn priority (PR 88879)
    
    	PR rtl-optimization/88879
    	* sel-sched.c (sel_target_adjust_priority): Remove assert.

Diff:
---
 gcc/ChangeLog   | 6 ++++++
 gcc/sel-sched.c | 2 --
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2e633ce..cfcec41 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2020-02-14  Alexander Monakov  <amonakov@ispras.ru>
+
+	Backport from mainline
+	PR rtl-optimization/88879
+	* sel-sched.c (sel_target_adjust_priority): Remove assert.
+
 2020-02-14  Richard Biener  <rguenther@suse.de>
 
 	Backport from mainline
diff --git a/gcc/sel-sched.c b/gcc/sel-sched.c
index f6e94bf..f127ff7 100644
--- a/gcc/sel-sched.c
+++ b/gcc/sel-sched.c
@@ -3331,8 +3331,6 @@ sel_target_adjust_priority (expr_t expr)
   else
     new_priority = priority;
 
-  gcc_assert (new_priority >= 0);
-
   /* If the priority has changed, adjust EXPR_PRIORITY_ADJ accordingly.  */
   EXPR_PRIORITY_ADJ (expr) = new_priority - EXPR_PRIORITY (expr);