re PR bootstrap/79255 (PGO bootstrap fails on x86_64/ppc64le building Ada)

	PR debug/79255
	* dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
	a FUNCTION_DECL, pass it as decl instead of origin to
	process_scope_var.

	* gcc.dg/pr79255.c: New test.

From-SVN: r246622