cpplex.c (_cpp_lex_token): Handle directives in macro arguments.
* cpplex.c (_cpp_lex_token): Handle directives in macro
arguments.
* cpplib.c (_cpp_handle_directive): Save and restore state
if parsing macro args when entering a directive.
* cppmacro.c (collect_args): No need to handle directives
in macro arguments.
(enter_macro_context, replace_args): Use the original macro
definition in case it was redefined whilst collecting arguments.
doc:
* cpp.texi: Update.
testsuite:
* gcc.dg/cpp/undef1.c: Remove.
* gcc.dg/cpp/directiv.c: Update.
* gcc.dg/cpp/mac-dir-1.c, mac-dir-2.c: New tests.
From-SVN: r50091