fix Issue 9892 - [ICE] forward reference in enum declaration members …

…causes compiler segfault
dlang · Apr 6, 2013 · edd0a0e · edd0a0e
1 parent bea22e3
commit edd0a0e
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/src/expression.c b/src/expression.c
@@ -3039,6 +3039,12 @@ Expression *DsymbolExp::semantic(Scope *sc)
     if (em)
     {
         e = em->value;
+        if (!e)
+        {
+            em->errors = true;
+            error("forward reference of %s %s", s->kind(), s->toChars());
+            return new ErrorExp();
+        }
         e->loc = loc;
         e = e->semantic(sc);
         return e;
@@ -3052,7 +3058,7 @@ Expression *DsymbolExp::semantic(Scope *sc)
                 v->semantic(v->scope);
             type = v->type;
             if (!v->type)
-            {   error("forward reference of %s %s", v->kind(), v->toChars());
+            {   error("forward reference of %s %s", s->kind(), s->toChars());
                 return new ErrorExp();
             }
         }

diff --git a/test/fail_compilation/fail9892.d b/test/fail_compilation/fail9892.d
@@ -0,0 +1,7 @@
+// 9892
+
+enum
+{
+    a = b, //Segfault!
+    b
+}