[Bug rtl-optimization/51447] [4.4/4.5/4.6/4.7 Regression] global register variable definition incorrectly removed as dead code

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51447

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org
   Target Milestone|---                         |4.4.7
            Summary|global register variable    |[4.4/4.5/4.6/4.7
                   |definition incorrectly      |Regression] global register
                   |removed as dead code        |variable definition
                   |                            |incorrectly removed as dead
                   |                            |code

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-07 
12:56:50 UTC ---
Introduced in between r125000 and r126000, i.e. most likely dataflow branch
merge.