This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/64269] [4.8/4.9/5 Regression] ICE with -O3 enabled on Ubuntu 14.04
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 11 Dec 2014 15:19:36 +0000
- Subject: [Bug tree-optimization/64269] [4.8/4.9/5 Regression] ICE with -O3 enabled on Ubuntu 14.04
- Auto-submitted: auto-generated
- References: <bug-64269-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64269
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Known to work| |4.7.4
Target Milestone|--- |4.8.4
Summary|ICE with -O3 enabled on |[4.8/4.9/5 Regression] ICE
|Ubuntu 14.04 |with -O3 enabled on Ubuntu
| |14.04
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Works with 4.7.x.
1395 memset (src_buf + tree_to_uhwi (diff),
1396 tree_to_shwi (val2), tree_to_uhwi (len2));
(gdb) p debug_generic_expr (len2)
18446744073709551615
(that's -1)
function added by Jakub (simplify_builtin_call).