[Bug tree-optimization/21884] New: [4.1 regression] ICE with -ftree-vectorize

[bangerth at dealii dot org]

This is with today's sources, so unrelated to the previously fixed  
PR 21789 even though the error message is the same. 
 
With attached code, I get this: 
spec/src> c++ -O2 -march=pentium4m -msse2 -ftree-vectorize 
auto_derivative_function.ii 
auto_derivative_function.ii:6859: warning: ‘__malloc__’ attribute 
ignored 
auto_derivative_function.ii: In member function ‘void 
AutoDerivativeFunction<dim>::gradient_list(const std::vector<Point<dim>, 
std::allocator<Point<dim> > >&, std::vector<Tensor<1, dim>, 
std::allocator<Tensor<1, dim> > >&, unsigned int) const [with int dim = 
2]&#8217;: 
auto_derivative_function.ii:32743: internal compiler error: tree check: 
expected ssa_name, have var_decl in verify_ssa, at tree-ssa.c:750 
Please submit a full bug report, 
with preprocessed source if appropriate. 
See <URL:http://gcc.gnu.org/bugs.html> for instructions. 
 
W.

-- 
           Summary: [4.1 regression] ICE with -ftree-vectorize
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bangerth at dealii dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21884