cppmacro.c (funlike_invocation_p): Re-disable macros enabled by contexts drops AFTER argument pre-expansion...

        * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
        by contexts drops AFTER argument pre-expansion, so that they
        remain enabled during argument pre-expansion.
        (_cpp_pop_context): Unconditionally re-enable a macro when
        dropping a context level.

From-SVN: r37971