--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/lto/pr82027_0.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,73 @@
+// { dg-lto-do run }
+// { dg-lto-options { { -O3 -flto } } }
+
+class Position
+{
+  public:
+    Position( void ) {}
+    virtual ~Position() {}
+
+    virtual void calcPercent( const char *name,int pos,int size ) {}
+};
+
+
+class Looper
+{
+  public:
+    Looper( Position *cc,int size )
+      : m_cc(cc), m_size(size) {}
+    virtual ~Looper() {}
+
+    void loop( void )
+    {
+      for( int pos=0; pos<m_size; pos++ )
+      {
+        m_cc->calcPercent( "",pos,m_size );
+      }
+    }
+
+  private:
+    Position *m_cc;
+    int m_size;
+};
+
+
+class EmptyClass
+{
+  public:
+    EmptyClass( void ) {}
+    virtual ~EmptyClass() {}
+};
+
+
+class Combined : public EmptyClass, public Position
+{
+  public:
+    Combined( void ) : m_percent(0) {}
+    ~Combined() {}
+
+    void calcPercent( const char *name,int pos,int size )
+    {
+      int percent = 100*pos/size;
+      if( percent!=m_percent )
+        m_percent = percent;
+    }
+
+  private:
+    int m_percent;
+};
+
+
+
+int main( int argc,char **argv )
+{
+  Combined *comb = new Combined();
+  Looper *looper = new Looper( comb,argc );
+
+  looper->loop();
+
+  delete comb;
+  delete looper;
+
+  return( 0 );
+}