ada/
        * gcc-interface/decl.c (gnat_to_gnu_entity) <case E_Function>:
        Turn Ada Pure on subprograms back into GCC CONST when eh constructs
        are explicit to the middle-end.  Tidy.

        testsuite/
        * gnat.dg/test_raise_from_pure.adb: Adjust to match revised intent.
        * gnat.dg/wrap_raise_from_pure.ad[bs]: Remove.
        * gnat.dg/handle_raise_from_pure.adb: New test.

From-SVN: r141821