re PR tree-optimization/30186 (accessing an element via a "pointer" on a vector does not cause vec_extract to be used (non-zero index))

2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/30186
        * fold-const.c (fold_indirect_ref_1): Support accessing non first
        element of the vector via a pointer.

2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/30186
        * gcc.dg/tree-ssa/vector-1.c: New testcase.
        * gcc.c-torture/execute/vector-1.c: New testcase.
        * gcc.c-torture/execute/vector-2.c: New testcase.

From-SVN: r133766