[Bug c/49368] __builtin_constant_p is unable to determine if a union is constant

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49368

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WORKSFORME

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-12 
11:38:26 UTC ---
Works for me with 4.5.3 and 4.6.0, fails with 4.4.