[Bug c/91362] program compiled with O3 optimization give different output than without optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91362 --- Comment #3 from matic at nimp dot co.uk --- Sorry I was not aware of "aliasing". Thanks for the pointers to solutions.

[Bug c/91362] New: program compiled with O3 optimization give different output than without optimization

Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: matic at nimp dot co.uk Target Milestone: --- Created attachment 46674 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46674&action=edit test case, gcc --