------- Comment #4 from burnus at gcc dot gnu dot org 2010-01-14 10:56 ------- Regression bisecting on the 4.3 branch shows that PR 35681 is the culprit; to be precise: Commit Rev. 142154 - maybe that helps to find the issue.
http://gcc.gnu.org/viewcvs?view=revision&revision=142154 PR fortran/35681 * dependency.c (gfc_check_argument_var_dependency): Add elemental check flag. Issue a warning if we find a dependency but don't generate a temporary. Add the case of an elemental function call as actual argument to an elemental procedure. Add the case of an operator expression as actual argument to an elemental procedure. (gfc_check_argument_dependency): Add elemental check flag. Update calls to gfc_check_argument_var_dependency. (gfc_check_fncall_dependency): Add elemental check flag. Update call to gfc_check_argument_dependency. * trans-stmt.c (gfc_trans_call): Make call to gfc_conv_elemental_dependency unconditional, but with a flag whether we should check dependencies between variables. (gfc_conv_elemental_dependency): Add elemental check flag. Update call to gfc_check_fncall_dependency. * trans-expr.c (gfc_trans_arrayfunc_assign): Update call to gfc_check_fncall_dependency. * resolve.c (find_noncopying_intrinsics): Update call to gfc_check_fncall_dependency. * dependency.h (enum gfc_dep_check): New enum. (gfc_check_fncall_dependency): Update prototype. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42736
