spew.c (end_input): No longer static.

        * spew.c (end_input): No longer static.
        * cp-tree.h: Declare it.
        * parse.y (datadef): Add "error END_OF_SAVED_INPUT" expansion.

From-SVN: r46124

gcc/testsuite/g++.dg/parse/saved1.C

+// Test that the parser doesn't go into an infinite loop from ignoring the
+// PRE_PARSED_FUNCTION_DECL token.
+
+class C { static void* operator new(size_t); }; // { dg-error "" "" }
+void* C::operator new(size_t) { return 0; } // { dg-error "" "" }
+class D { D(int i): integer(i){}}; // { dg-error "" "" }