[Bug c++/123566] [16 Regression] ICE in finish_expr_stmt, at cp/semantics.cc:1171 since r16-6352 with a local type defined in a lambda as a default template argument

[andi-gcc at firstfloor dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123566

Andi Kleen <andi-gcc at firstfloor dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andi-gcc at firstfloor dot org

--- Comment #13 from Andi Kleen <andi-gcc at firstfloor dot org> ---
Created attachment 63425
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63425&action=edit
add missing errors

The error happens because cp_finish_decl sees an error tree without an error
happening first.

this patch fixes the test case. error messages likely need improvement.