re PR c/69819 (ICE on invalid code on x86_64-linux-gnu in tree check: expected function_type or method_type, have array_type in function_args_iter_init, at tree.h:4536)

	PR c/69819
	* c-decl.c (finish_decl): Don't update the copy of the type of a
	different decl type.

	* gcc.dg/pr69819.c: New test.

From-SVN: r233683