[Bug target/20126] [3.4 Regression] Inlined memcmp makes one argument null on entry

[belyshev at depni dot sinp dot msu dot ru]

-- 
Bug 20126 depends on bug 22425, which changed state.

Bug 22425 Summary: [4.1 regression] ICE in loop_givs_rescan, at loop.c:5521
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22425

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20126