[Bug c++/21117] [3.4/4.0/4.1 Regression] ICE after error about returning an incomplete type

[rth at gcc dot gnu dot org]

------- Additional Comments From rth at gcc dot gnu dot org  2005-08-05 23:38 -------
Front end bug.

      error ("return type %q#T is incomplete", TREE_TYPE (fntype));

      /* Make it return void instead, but don't change the
         type of the DECL_RESULT, in case we have a named return value.  */

This is in fact the problem.  If you don't want to make the DECL_RESULT be
VOIDtype (due to follow-on errors), then you need to make it error_mark_node.

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          Component|middle-end                  |c++


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21117