&&& was accidentally available as a valid prefix operator.

test/test_suite/expressions/addr_fail_2.c3

@@ -0,0 +1,10 @@
+import std;
+
+fn int main()
+{
+	// This works
+	int** my_super_cool_pointer = &&(&&1);
+	// This doesn't
+	int** my_super_cool_pointer2 = &&&&1; // #error: '&&&' is the compile time '&&' operator
+	return 0;
+}