Merge pull request #4316 from 9rnsr/fix13860

Issue 13860 - template required forward reference for typeof(member)

src/declaration.c

@@ -864,13 +864,11 @@ void VarDeclaration::semantic(Scope *sc)
             if (sc->func->setUnsafe())
                 error("__gshared not allowed in safe functions; use shared");
         }
-        if (type->hasPointers())    // get type size
+        if (init && init->isVoidInitializer() &&
+            type->hasPointers())    // get type size
         {
-            if (init && init->isVoidInitializer())
+            if (sc->func->setUnsafe())
-            {
+                error("void initializers for pointers not allowed in safe functions");
-                if (sc->func->setUnsafe())
-                    error("void initializers for pointers not allowed in safe functions");
-            }
         }
     }
 

test/compilable/fwdref13860.d

@@ -0,0 +1,27 @@
+// PERMUTE_ARGS:
+/*
+TEST_OUTPUT:
+---
+pure nothrow @nogc @safe void()
+pure nothrow @nogc @safe void()
+---
+*/
+
+struct Foo(Bar...)
+{
+    Bar bars;
+    auto baz(size_t d)() {}
+    pragma(msg, typeof(baz!0));
+}
+
+auto bar(S, R)(S s, R r)
+{
+    pragma(msg, typeof(Foo!().baz!0));
+}
+
+void main()
+{
+    int[] x;
+    int[] y;
+    x.bar(y);
+}

test/fail_compilation/ice12350.d

@@ -1,12 +1,12 @@
 /*
 TEST_OUTPUT:
 ---
-fail_compilation/ice12350.d(10): Error: enum ice12350.MyUDC is forward referenced looking for base type
 fail_compilation/ice12350.d(15): Error: type MyUDC has no value
 fail_compilation/ice12350.d(30): Error: template instance ice12350.testAttrs!(MyStruct) error instantiating
 ---
 */
 
+
 enum MyUDC;
 
 struct MyStruct

test/fail_compilation/ice12362.d

@@ -1,12 +1,12 @@
 /*
 TEST_OUTPUT:
 ---
-fail_compilation/ice12362.d(9): Error: enum ice12362.foo is forward referenced looking for base type
 fail_compilation/ice12362.d(12): Error: cannot interpret foo at compile time
 ---
 */
 
 enum foo;
+
 void main()
 {
     enum bar = foo;

test/fail_compilation/ice13225.d

@@ -1,10 +1,10 @@
 /*
 TEST_OUTPUT:
 ---
+fail_compilation/ice13225.d(12): Error: mixin ice13225.S.M!(function (S _param_0) => 0) does not match template declaration M(T)
 fail_compilation/ice13225.d(13): Error: undefined identifier undefined
 ---
 */
-
 mixin template M(T) {}
 
 struct S