diff --git a/src/toctype.c b/src/toctype.c
index 48e8e817d198..e7c0ad99ebf7 100644
--- a/src/toctype.c
+++ b/src/toctype.c
@@ -218,6 +218,11 @@ class ToCtypeVisitor : public Visitor
                     assert(0);
             }
         }
+        else if (!t->sym->memtype)
+        {
+            // Bugzilla 13792
+            t->ctype = Type_toCtype(Type::tvoid);
+        }
         else if (t->sym->memtype->toBasetype()->ty == Tint32)
         {
             t->ctype = type_enum(t->sym->toPrettyChars(true), Type_toCtype(t->sym->memtype));
diff --git a/test/compilable/ice13792.d b/test/compilable/ice13792.d
new file mode 100644
index 000000000000..2dab1e7982c7
--- /dev/null
+++ b/test/compilable/ice13792.d
@@ -0,0 +1,6 @@
+enum E;
+
+void main()
+{
+    E* p;  // ICE in glue layer
+}