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-rw-r--r--src/exprbase.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/exprbase.h b/src/exprbase.h
index d2bf5a6d..95cc51fc 100644
--- a/src/exprbase.h
+++ b/src/exprbase.h
@@ -92,8 +92,7 @@ public:
{
TRACE_CTOR(expr_base_t, "scope_t *");
}
-
- ~expr_base_t() throw() {
+ virtual ~expr_base_t() throw() {
TRACE_DTOR(expr_base_t);
}