* cpplex.c (_cpp_lex_token): Don't warn about directives in
macro arguments when looking for the '('.
* cppmacro.c (funlike_invocation_p): Set parsing_args to
2 when really parsing arguments; 1 when looking for '('.
Always restore the lexer position.
* gcc.dg/cpp/cppmacro7.c: New test.
From-SVN: r40223
