[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671

--- Comment #62 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
(In reply to Jason Merrill from comment #44)
> Created attachment 41048 [details]
> trial patch
> 
> Does this fix the issue?  I don't have an ARM setup handy for testing.

Yes. I just tried, it and the crash is gone.

However if 3.10/10 does not apply here, then it would be
good to remove the special handling of the char type,
and just look for a union and/or maybe a may_alias
attribute.