.assembly extern mscorlib { .ver 2:0:0:0 .publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4.. } .assembly 'bug' { .custom instance void class [mscorlib]System.Runtime.CompilerServices.RuntimeCompatibilityAttribute::'.ctor'() = ( 01 00 01 00 54 02 16 57 72 61 70 4E 6F 6E 45 78 // ....T..WrapNonEx 63 65 70 74 69 6F 6E 54 68 72 6F 77 73 01 ) // ceptionThrows. .hash algorithm 0x00008004 .ver 0:0:0:0 } .module bug.exe // GUID = {7CDDF4B6-7581-4902-9709-6155199DC325} .class private auto ansi beforefieldinit Program extends [mscorlib]System.Object { .method public static hidebysig default void Main () cil managed { .entrypoint .maxstack 2 ret } .method public static hidebysig default int32 Bla (object arg) cil managed { .locals init ( class [mscorlib]System.Exception V_0) nop ldarg.0 ldnull ceq brfalse LB_0 nop nop leave.s LB_1 LB_0: nop nop nop ldarg.0 LB_1: isinst object ldnull ceq ldc.i4.0 ceq brfalse LB_2 nop ldarg.0 castclass object callvirt int32 object::GetHashCode () pop LB_2: nop nop nop ldarg.0 isinst object ldnull ceq ldc.i4.0 ceq brfalse LB_3 nop ldarg.0 unbox int32 ldobj int32 ret LB_3: nop nop nop ldc.i4.0 ret } }