[Bug middle-end/35561] Promote written once local aggregates to static

[joseph at codesourcery dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35561

--- Comment #8 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2011-06-23 10:32:28 UTC ---
See bug 38615 for the case when converting an object to static is not 
valid.