diff --git a/src/mtype.c b/src/mtype.c
index ad4f8d0ef577..979b24750332 100644
--- a/src/mtype.c
+++ b/src/mtype.c
@@ -3864,6 +3864,9 @@ d_uns64 TypeAArray::size(Loc loc)
 Type *TypeAArray::semantic(Loc loc, Scope *sc)
 {
     //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty);
+    if (deco)
+        return this;
+
     this->loc = loc;
     this->sc = sc;
     if (sc)
diff --git a/test/compilable/interpret3.d b/test/compilable/interpret3.d
index e01836254bb0..2af617edd9bc 100644
--- a/test/compilable/interpret3.d
+++ b/test/compilable/interpret3.d
@@ -1108,21 +1108,18 @@ static assert(bug6001f());
 
 // Assignment to AAs
 
-version(X86)
+void blah(int[char] as)
 {
-    void blah(int[char] as)
-    {
-        auto k = [6: as];
-        as = k[6];
-    }
-    int blaz()
-    {
-        int[char] q;
-        blah(q);
-        return 67;
-    }
-    static assert(blaz()==67);
+    auto k = [6: as];
+    as = k[6];
+}
+int blaz()
+{
+    int[char] q;
+    blah(q);
+    return 67;
 }
+static assert(blaz()==67);
 
 void bug6001g(ref int[] w)
 {