[Bug c/15438] miscompilation of simple test with __errno_location ()

[belyshev at lubercy dot com]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |3.5.0
      Known to work|                            |3.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15438