llvm-project/lldb/test/API/lang/cpp/incompatible-class-templates/main.cpp

int other();

namespace {
template <typename T1> struct Temp { int x; };
// This emits the 'Temp' template in this TU.
Temp<float> Template1;
} // namespace

int main() {
  return Template1.x + other(); // break here
}