passes.c (finish_optimization_passes): Change i to int.
./: * passes.c (finish_optimization_passes): Change i to int.
* plugin.c (plugins_active_p): Change event to int.
(dump_active_plugins): Likewise.
* reginfo.c (invalid_mode_change_p): Change to to unsigned int.
Add cast.
* tree.c (tree_range_check_failed): Change c to unsigned int.
(omp_clause_range_check_failed): Likewise.
(build_common_builtin_nodes): Change mode to int. Add cast.
* config/ia64/ia64.c (is_emitted): Change r to unsigned int.
(ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
* c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
++ or -- with a variable of enum type.
cp/:
* class.c (layout_class_type): Change itk to unsigned int.
* decl.c (finish_enum): Change itk to unsigned int.
* parser.c (cp_parser_check_decl_spec): Change ds to int. Remove
casts.
fortran/:
* decl.c (match_attr_spec): Change d to unsigned int.
* dump-parse-tree.c (show_namespace): Change op to int. Add cast.
* interface.c (gfc_check_interfaces): Change i to int. Add casts.
* module.c (read_module): Change i to int. Add cast.
(write_module): Change i to int.
* symbol.c (gfc_get_namespace): Change in to int.
(gfc_free_namespace): Change i to int.
* trans-io.c (gfc_build_io_library_fndecls): Change ptype to
unsigned int. Add cast.
* trans-types.c (gfc_init_kinds): Change mode to unsigned int.
Add casts.
testsuite/:
* gcc.dg/Wcxx-compat-9.c: New testcase.