prevent internal segfault on apparent VLA at file scope

2011-04-09 22:59:35 -07:00 · 2011-04-09 22:59:35 -07:00 · c85f77de70
parent 1446b543ae
commit c85f77de70
1 changed files with 2 additions and 0 deletions
--- 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");