[Bug tree-optimization/77745] Inconsistent application of aliasing rules

2016-09-26 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77745 Markus Trippelsdorf changed: What|Removed |Added Keywords||wrong-code Status|UNCO

[Bug tree-optimization/77745] Inconsistent application of aliasing rules

2016-09-26 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77745 --- Comment #3 from Marc Glisse --- I think the issue is with Deleted redundant store MEM[(long int *)c2_7(D)] = 200; It is considered as redundant with MEM[(long long int *)c2_7(D)] = 200; but they do not define the same dynamic type, so it

[Bug tree-optimization/77745] Inconsistent application of aliasing rules

2016-09-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77745 --- Comment #2 from Andrew Pinski --- This is all due to life time of objects rather than aliasing. If c1==c2, the lifetime of p1 ends at the operator new.

[Bug tree-optimization/77745] Inconsistent application of aliasing rules

2016-09-26 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77745 Markus Trippelsdorf changed: What|Removed |Added CC||trippels at gcc dot gnu.org --- Co