commit eea5ae9cebf3d2fcdae7cfa669a4b0c7ca014bd3
author Marco Nelissen <marcone@google.com> Wed Jul 08 16:59:18 2009 -0700
committer Marco Nelissen <marcone@google.com> Wed Jul 08 17:43:17 2009 -0700
tree 28d88f23a5ebbba458f8a66683ffa4ee9a50b04f
parent 023931180c6de224154fae3797d178dcaf921336

Class with virtual methods should have virtual destructors too.

libacc/acc.cpp

diff --git a/libacc/acc.cpp b/libacc/acc.cpp
index e4e5baa..0935be8 100644
--- a/libacc/acc.cpp
+++ b/libacc/acc.cpp
@@ -127,6 +127,7 @@
         va_end(ap);
     }
 
+    virtual ~ErrorSink() {}
     virtual void verror(const char* fmt, va_list ap) = 0;
 };
 
@@ -2003,6 +2004,7 @@
 
     class InputStream {
     public:
+        virtual ~InputStream() {}
         int getChar() {
             if (bumpLine) {
                 line++;