[Bug tree-optimization/23848] New: stack deallocation more efficient in 3.4

[amodra at bigpond dot net dot au]

Deallocation of dynamic stack space, eg. alloca memory, should be combined with
deallocation of stack in function epilogue.  This used to happen in 3.4. 
Testcase in pr23774.

-- 
           Summary: stack deallocation more efficient in 3.4
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: amodra at bigpond dot net dot au
                CC: gcc-bugs at gcc dot gnu dot org
GCC target triplet: powerpc-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23848