[Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access

2016-12-16 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 --- Comment #5 from Martin Liška --- (In reply to Markus Trippelsdorf from comment #4) > They invoke undefined behavior by using misaligned accesses, see: > https://bugs.ruby-lang.org/issues/11831 > > It was fixed once, but they dropped the fix

[Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access

2016-12-16 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access

2016-12-16 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 --- Comment #3 from Martin Liška --- (In reply to rguent...@suse.de from comment #2) > On Fri, 16 Dec 2016, marxin at gcc dot gnu.org wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 > > > > --- Comment #1 from Martin Liška ---

[Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access

2016-12-16 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 --- Comment #2 from rguenther at suse dot de --- On Fri, 16 Dec 2016, marxin at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 > > --- Comment #1 from Martin Liška --- > Sorry, correct wording is that Ruby 2.3 does

[Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access

2016-12-16 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 --- Comment #1 from Martin Liška --- Sorry, correct wording is that Ruby 2.3 does not survive its regression tests.

[Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access

2016-12-14 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810 Martin Liška changed: What|Removed |Added Last reconfirmed||2016-12-14 CC|