Re: [PR c/84293] Unexpected strict-alias warning

2018-02-09 Thread Joseph Myers
On Fri, 9 Feb 2018, Nathan Sidwell wrote: > Joseph, are the C bits ok? Yes. -- Joseph S. Myers jos...@codesourcery.com

[PR c/84293] Unexpected strict-alias warning

2018-02-09 Thread Nathan Sidwell
This bug comes from python sources. It has some type-punning macros to switch between representation, but these can cause unexpected strict-alias warnings, even though the punning's context is a system header file. (I guess that without macro expansion location information we'd've thought