‘dm’ is actually not used, the building problem is fixed by the patch (I did not rearrange the nested ‘if’s)
--- ../_clean/gcc/fortran/simplify.c 2015-11-21 20:59:57.000000000 +0100 +++ gcc/fortran/simplify.c 2015-11-21 21:06:30.000000000 +0100 @@ -1792,7 +1792,6 @@ gfc_expr * gfc_simplify_cshift (gfc_expr *array, gfc_expr *shift, gfc_expr *dim) { gfc_expr *a, *result; - int dm; /* DIM is only useful for rank > 1, but deal with it here as one can set DIM = 1 for rank = 1. */ @@ -1800,10 +1799,7 @@ gfc_simplify_cshift (gfc_expr *array, gf { if (!gfc_is_constant_expr (dim)) return NULL; - dm = mpz_get_si (dim->value.integer); } - else - dm = 1; /* Copy array into 'a', simplify it, and then test for a constant array. An unexpected expr_type causes an ICE. */ Dominique