* c-tree.h: Add argument to c_objc_common_truthvalue_conversion,
        parser_build_binary_op.
        * c-decl.c (build_enumerator): Pass location to build_binary_op.
        * c-typeck.c (build_array_ref): Same.
        (parser_build_unary_op): New location argument.
        (pointer_diff): Pass location to build_binary_op,
        c_objc_common_truthvalue_conversion.
        (build_modify_expr): Same.
        (build_unary_op): New location argument.
        (build_binary_op): New location argument.
        (c_objc_common_truthvalue_conversion): Pass location to
        c_*common_truthvalue_conversion.
        * c-convert.c (convert): Same.
        * c-common.c (binary_op_error): New location argument.
        (pointer_int_sum): Pass location to build_binary_op.
        (c_common_truthvalue_conversion): New location argument.
        (warn_for_sign_compare): Same.
        * c-common.h: Add location argument to c_common_truthvalue_conversion,
        binary_op_error, build_binary_op, warn_for_sign_compare.
        * c-parser.c (c_parser_condition): Pass location to
        c_*common_truthvalue_conversion.
        (c_parser_conditional_expression): Save condition's location and pass
        it on down.
        (c_parser_binary_expression): Same, but for the binary operator's
        location.
        (c_parser_omp_for_loop): Pass location to
        c_objc_common_truthvalue_conversion.
objc/
        * objc-act.c (next_sjlj_build_enter_and_setjmp): Call
        c_common_truthvalue_conversion with location.
        (next_sjlj_build_catch_list): Same.
        (next_sjlj_build_try_catch_finally): Same.
testsuite/
        * gcc.dg/Walways-true-1.c: Test column numbers.
        * gcc.dg/c90-const-expr-5.c: Same.
        * gcc.dg/compare4.c: Same.
        * gcc.dg/Werror-1.c: Same.
cp/
        * typeck.c (build_array_ref): Pass location to cp_build_binary_op.
        (get_member_function_from_ptrfunc): Same.
        (build_x_binary_op): Same.
        (build_binary_op): Same.
        (cp_build_binary_op): New location argument.
        (pointer_diff): Pass location to cp_build_binary_op.
        (cp_truthvalue_conversion): Pass location to build_binary_op.
        (convert_ptrmem): Pass location to cp_build_binary_op.
        (cp_build_modify_expr): Same.
        (build_ptrmemfunc): Same.
        * init.c (expand_cleanup_for_base): Pass location to
        c_common_truthvalue_conversion.
        (build_new_1): Pass location to cp_build_binary_op.
        (build_vec_delete_1): Pass location to *build_binary_op,
        c_common_truthvalue_conversion.
        (build_vec_init): Same.
        (build_delete): Same.
        * decl.c (compute_array_index_type): Same.
        * call.c (build_new_op): Same.
        * rtti.c (build_dynamic_cast_1): Same.
        * cp-tree.h: Add argument to cp_build_binary_op.
        * semantics.c (handle_omp_for_class_iterator): Pass location to
        *build_binary_op, c_common_truthvalue_conversion.
        * decl2.c (get_guard_cond): Same.

From-SVN: r140598