Unity Editor with the IL2CPP scripting backend generates an invalid code when the project has a script performing a typecast from unsafe void* to a struct pointer type.

Example:

public void testUnsafe(void* vp) {
(TestStruct)vp = new TestStruct(123);
}

This emits the following C++ code:

void* L_0 = ___vp;
TestStruct_t1 L_1 = {0};
TestStruct__ctor_m0(&L_1, ((int32_t)123), /hidden argument/NULL);
L_0 = L_1; // <<< ERROR
return;

Xcode fails to compile the code because L_0 is not assignable.