.assembly extern mscorlib { } .assembly extern 'CS0012-lib-missing' { } .assembly 'CS0012-16-lib' { .hash algorithm 0x00008004 .ver 0:0:0:0 } .module 'CS0012-16-lib.dll' .class public auto ansi beforefieldinit B extends [mscorlib]System.Object { .method public hidebysig static void Foo(object o) cil managed { ret } .method public hidebysig static void Foo(class ['CS0012-lib-missing']AA t) cil managed { ret } .method public hidebysig specialname rtspecialname instance void .ctor() cil managed { ret } }