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[Bug rtl-optimization/83398] [8 Regression] ICE: in try_ready, at haifa-sched.c:7524 with -O2 -fsched2-use-superblocks -g
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 14 Dec 2017 12:58:26 +0000
- Subject: [Bug rtl-optimization/83398] [8 Regression] ICE: in try_ready, at haifa-sched.c:7524 with -O2 -fsched2-use-superblocks -g
- Auto-submitted: auto-generated
- References: <bug-83398-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83398
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |aoliva at gcc dot gnu.org,
| |jakub at gcc dot gnu.org
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r255569, got fixed with r255609. I think it just went latent
though, because the testcase doesn't have any debug bind stmts.
--- pr83398.c.230t.optimized_ 2017-12-14 07:54:28.000000000 -0500
+++ pr83398.c.230t.optimized 2017-12-14 07:56:34.000000000 -0500
@@ -28,9 +28,9 @@ foo ()
goto <bb 3>; [66.00%]
<bb 3> [local count: 708669604]:
- # DEBUG BEGIN_STMT
c:
# DEBUG BEGIN_STMT
+ # DEBUG BEGIN_STMT
a = 0;
<bb 4> [local count: 1073741825]:
is the difference between r255607 and r255609, but # DEBUG BEGIN_STMT may
appear before labels even with current trunk. Perhaps dup of the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396#c41
Alex is looking into?