optimization/10494: [3.3/3.4 regression] optimization based on SSA "-O2 -fssa" removes needed code

[bangerth@dealii.org]

Old Synopsis: gcc 3.3 20030407 optimization based on SSA "-O2 -fssa" removes needed code
New Synopsis: [3.3/3.4 regression] optimization based on SSA "-O2 -fssa" removes needed code

State-Changed-From-To: open->analyzed
State-Changed-By: bangerth
State-Changed-When: Fri Apr 25 14:52:38 2003
State-Changed-Why:
    Confirmed. This is a regression on 3.3 and 3.4 against 3.2
    
    W.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10494