PR middle-end/25261
	PR middle-end/28790
	* tree-nested.c (struct nesting_info): Added static_chain_added.
	(convert_call_expr): Set static_chain_added when adding static
	chain.  Handle OMP_PARALLEL and OMP_SECTION.

	* gcc.dg/gomp/nestedfn-1.c: New test.

	* testsuite/libgomp.c/nestedfn-4.c: New test.
	* testsuite/libgomp.c/nestedfn-5.c: New test.
	* testsuite/libgomp.fortran/nestedfn3.f90: New test.

From-SVN: r117235