[Bug tree-optimization/22000] [4.0 Regression] Read from volatile member of struct is optimized away

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-06-10 14:07 -------
This works on the mainline, it might work on the 4.0.x branch too but I did not check yet.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|critical                    |normal
  GCC build triplet|i686-pc-linux-gnu           |
   GCC host triplet|i686-pc-linux-gnu           |
 GCC target triplet|arm-unknown-elf             |
           Keywords|                            |wrong-code
      Known to fail|                            |4.0.0
      Known to work|                            |4.1.0 3.4.0
            Summary|Read from volatile member of|[4.0 Regression] Read from
                   |struct is optimized away    |volatile member of struct is
                   |                            |optimized away


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22000