src/clone.c

@@ -368,6 +368,8 @@ bool needOpEquals(StructDeclaration *sd)
             TypeStruct *ts = (TypeStruct *)tv;
             if (needOpEquals(ts->sym))
                 goto Lneed;
+            if (ts->sym->aliasthis)     // Bugzilla 14806
+                goto Lneed;
         }
     }
 Ldontneed:

src/todt.c

@@ -481,11 +481,13 @@ dt_t **Expression_toDt(Expression *e, dt_t **pdt)
                         pdt = dtnzeros(pdt, vd->offset - offset);
                     e = (*se->elements)[k];
 
+                    dt_t *dt = NULL;
                     Type *tb = vd->type->toBasetype();
                     if (tb->ty == Tsarray)
-                        toDtElem(((TypeSArray *)tb), pdt, e);
+                        toDtElem(((TypeSArray *)tb), &dt, e);
                     else
-                        Expression_toDt(e, pdt);           // convert e to an initializer dt
+                        Expression_toDt(e, &dt);           // convert e to an initializer dt
+                    pdt = dtcat(pdt, dt);
 
                     offset = vd->offset + vd->type->size();
                 }

test/runnable/aliasthis.d

@@ -1674,7 +1674,10 @@ struct RefCounted12008(T)
         return 0;
     }
 
-    int refCountedPayload() inout;
+    int refCountedPayload() inout
+    {
+        return 0;
+    }
 
     alias refCountedPayload this;
 }
@@ -1802,6 +1805,34 @@ void test13009()
     alias ISput  = IS .put;
 }
 
+/***************************************************/
+// 14806
+
+struct Nullable14806
+{
+    float get() { return float.nan; }
+    alias get this;
+}
+
+struct Foo14806(T)
+{
+    T bar;
+    Nullable14806 baz;
+}
+
+void test14806()
+{
+    Foo14806!int a, b;
+    assert(a != b);
+    // ==> a.tupleof != b.tupleof
+    // ==> a.bar != b.bar || a.baz.get() != b.baz.get()
+
+    Foo14806!string c, d;
+    assert(c != d);
+    // ==> c.tupleof != d.tupleof
+    // ==> c.bar != d.bar || c.baz.get() != d.baz.get()
+}
+
 /***************************************************/
 
 int main()
@@ -1857,6 +1888,7 @@ int main()
     test11800();
     test13490();
     test11355();
+    test14806();
 
     printf("Success\n");
     return 0;

test/runnable/testdt.d

@@ -77,7 +77,7 @@ void test13505()
 // 14699
 
 struct S14699a { ubyte[0][10] values; }
-struct S14699b { S14699a tbl; }     
+struct S14699b { S14699a tbl; }
 // +/
 
 ubyte[0][1] sa14699;
@@ -87,6 +87,15 @@ void test14699()
     //auto p = &sa14699;  // Cannot work in Win32 (OMF)
 }
 
+/******************************************/
+// 14805
+
+struct S14805
+{
+    ushort one;
+}
+auto a14805 = new S14805[513*513];
+
 /******************************************/
 
 int main()