re PR c++/18279 (missing function bodies from -fdump-translation-unit)

re PR c++/18279 (missing function bodies from -fdump-translation-unit)

        PR c++/18279
        * c-decl.c (c_write_global_declarations): Dump contents of
        external scope to.
        * tree-dump.c (dequeue_and_dump): Dump abstract origin of a
        decl.
        <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>,
        <LABEL_EXPR>,
        <GOTO_EXPR>, <SWITCH_EXPR>: Add.
        (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
        is enabled.

Co-Authored-By: Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
From-SVN: r101544