clang/test/CodeGenCXX/speculative-vtt.cpp

   1 // RUN: %clang_cc1 -triple x86_64-linux-gnu %s -O2 -disable-llvm-passes -emit-llvm -o - | FileCheck %s
   2 struct A { virtual ~A(); };
   3 template<typename T> struct B : virtual A {
   4   ~B() override {}
   5 };
   6 struct C : B<int>, B<float> { C(); ~C() override; };
   7 struct D : C { ~D() override; };
   8
   9 // We must not create a reference to B<int>::~B() here, because we're not going to emit it.
  10 // CHECK-NOT: @_ZN1BIiED1Ev
  11 // CHECK-NOT: @_ZTC1D0_1BIiE =
  12 // CHECK-NOT: @_ZTT1D = available_externally
  13 D *p = new D;