clang/test/Modules/derived_class.cpp

   1 // RUN: rm -rf %t
   2 // RUN: mkdir -p %t
   3 // RUN: split-file %s %t
   4 //
   5 // RUN: %clang_cc1 -std=c++20 %t/foo.cppm -emit-module-interface -o %t/foo.pcm
   6 // RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -fsyntax-only -verify
   7
   8 // RUN: %clang_cc1 -std=c++20 %t/foo.cppm -emit-reduced-module-interface -o %t/foo.pcm
   9 // RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -fsyntax-only -verify
  10 //
  11 //--- bar.h
  12 struct bar_base {
  13   enum A {
  14     a,
  15     b,
  16     c,
  17     d
  18   };
  19   constexpr static bool value = false;
  20   static bool get() { return false; }
  21   bool member_value = false;
  22   bool get_func() { return false; }
  23 };
  24
  25 template <typename T>
  26 struct bar : public bar_base {
  27 };
  28
  29 //--- foo.cppm
  30 module;
  31 #include "bar.h"
  32 export module foo;
  33 export template <typename T>
  34 int foo() {
  35   bool a = bar<T>::value;
  36   bar<T>::get();
  37   bar<T> b;
  38   b.member_value = a;
  39   bool c = b.get_func();
  40   return bar<T>::a;
  41 }
  42
  43 //--- Use.cpp
  44 // expected-no-diagnostics
  45 import foo;
  46 void test() {
  47   foo<int>();
  48 }