[Bug tree-optimization/46076] [4.6 regression] constant propagation and compile-time math no longer happening versus 4.4 and 4.5

[matt at use dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46076

--- Comment #32 from Matt Hargett <matt at use dot net> 2012-03-23 20:30:17 UTC ---
Richard, if nothing's come to mind by now for the 4.6 branch, can this be
closed?
I'd like to see it fixed, of course, but so long as it still works in 4.7.0 and
there's a test in the suite that verifies as such, let's move on :)