Merge pull request #2466 from hpohl/10793

add test cases for issues 10497 and 10793

test/runnable/casting.d

@@ -32,6 +32,17 @@ void test8645()
     static assert(!is(typeof( cast(Foo)bar )));
 }
 
+/***************************************************/
+// 10497
+
+struct S10497;
+
+void test10497(S10497** s)
+{
+    void* ptr;
+    *s = cast(S10497*)ptr;
+}
+
 /***************************************************/
 // 10646
 
@@ -46,6 +57,23 @@ void test10646()
     static assert(!__traits(compiles, { auto c2 = cast(C)css; }));
 }
 
+/***************************************************/
+// 10793
+
+struct RealFoo10793
+{
+    int i;
+}
+
+struct Foo10793;
+
+void test10793()
+{
+    auto rf = RealFoo10793(10);
+    void* prf = cast(void*)&rf;
+    Foo10793* f = cast(Foo10793*)prf;
+}
+
 /***************************************************/
 // 10834
 
@@ -74,6 +102,7 @@ int main()
     test8119();
     test8645();
     test10646();
+    test10793();
     test10834();
 
     printf("Success\n");