[Bug tree-optimization/86839] New: O3 create wrong code (segmentation fault) on extern non-aligned buffer

2018-08-03 Thread galileaman.bugzilla at gmail dot com
Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: galileaman.bugzilla at gmail dot com Target Milestone: --- gcc-5.4 miscompiles the following code on x86_64-linux-gnu at -O3 in 64-bit mode. The resulting binary

[Bug tree-optimization/86839] O3 create wrong code (segmentation fault) on extern non-aligned buffer

2018-08-03 Thread galileaman.bugzilla at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86839 --- Comment #3 from galileaman bugzilla --- OK, always thought that non-aligned vars only hit performance. I see know it is a requirement in the standard. Sorry, and thanks.