https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69494
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-01-27
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Similar to another bug 'dev' is allocated to a register during RTL expansion
and thus the volatility is lost.
IIRC the language standards do not have a concept of "volatile subobjects"
so the testcase is questionable.
