- Disallow casting a void* to any or an interface, unless it is null.

- Defer resolution of declarations when looked up in `def` aliased #1559.

test/test_suite/any/casting_voidptr_to_any.c3

@@ -0,0 +1,26 @@
+module mylib::ifaces;
+interface IOp {
+    fn void op();
+}
+module mylib(<Type>);
+import std::io;
+import mylib::ifaces;
+struct Op (IOp){
+    Type data;
+}
+fn void Op.op(&self) @dynamic => io::printn("op");
+module myapp;
+import mylib;
+fn void test(void* tptr){
+    // this work
+    IOp iop = (Op(<int>)*)tptr;
+    iop.op();
+
+    // this don't work
+    iop = tptr; // #error: Casting a 'void*' to 'IOp' is not permitted
+    iop.op();
+}
+fn void! main(String[] args) {
+    Op(<int>)* t = mem::new(Op(<int>), {.data = 1});
+    test(&t);
+}

test/unit/regression/any.c3

@@ -5,14 +5,8 @@ fn void any_compare()
 	int x;
 	any a = &x;
 	any b = &x;
-	void* v = &x;
-	any c = v;
 	assert(a == b);
 	assert(a == a);
-	assert(a.ptr == c.ptr);
-	assert(a != c);
-	bool aisc = a == c;
-	assert(!aisc);
 }
 
 def AnyAlias = any;