From c85f77de70fcedc8d3b9e527346921ce980c017d Mon Sep 17 00:00:00 2001
From: Joe Soroka <gits@joesoroka.com>
Date: Sat, 9 Apr 2011 22:59:35 -0700
Subject: [PATCH] prevent internal segfault on apparent VLA at file scope

---
 tccgen.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tccgen.c b/tccgen.c
index bc9b24f..4baa5ff 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -3169,6 +3169,8 @@ static void post_type(CType *type, AttributeDef *ad)
                 n = vtop->c.i;
                 if (n < 0)
                     error("invalid array size");
+            } else if (!local_stack) {
+                error("expected constant expression (variably modified array at file scope)");
             } else {
                 if (!is_integer_btype(vtop->type.t & VT_BTYPE))
                     error("size of variable length array should be an integer");