[Bug middle-end/53239] [4.7 Regression] VRP vs named value return opt

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53239

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> 2012-05-04 23:20:49 UTC ---
Is there a self-contained run-time testcase?