re PR tree-optimization/23433 (ICE: tree check: expected real_cst, have integer_cst in const_binop, at fold-const.c:1512)

	PR tree-optimization/23433
        * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
        REAL_CST when the type is SCALAR_FLOAT_TYPE_P.

From-SVN: r103317