PR c++/4872
        * decl.c (finish_function): Warn about a non-void function with
        no return statement and no abnormal exit.
        * cp-tree.h (struct cp_language_function): Add returns_abnormally.
        (current_function_returns_abnormally): New macro.
        * call.c (build_call): Set it.

From-SVN: r49407