clang/test/SemaCXX/cxx1z-init-statement-template.cpp

   1 // RUN: %clang_cc1 -std=c++1z -verify -emit-llvm-only %s
   2 // expected-no-diagnostics
   3
   4 template <unsigned int BUFFER_SIZE> class Buffer {};
   5
   6 class A {
   7 public:
   8   int status;
   9 };
  10
  11 template <unsigned int N> A parse(Buffer<N> buffer);
  12
  13 template<unsigned int N>
  14 void init_in_if(Buffer<N> buffer) {
  15   if (A a = parse(buffer); a.status > 0) {
  16   }
  17 }
  18
  19 template<unsigned int N>
  20 void init_in_switch(Buffer<N> buffer) {
  21   switch (A a = parse(buffer); a.status) {
  22     default:
  23       break;
  24   }
  25 }
  26
  27 void test() {
  28   Buffer<10> buffer;
  29   init_in_if(buffer);
  30   init_in_switch(buffer);
  31 }