gcc/testsuite/g++.dg/cpp0x/noexcept63.C

   1 // PR c++/97966
   2 // { dg-do compile { target c++11 } }
   3
   4 template <int>
   5 struct S1 {
   6   __attribute__((used)) S1() noexcept(noexcept(this->foo())) { }
   7   void foo();
   8 };
   9
  10 template <int>
  11 struct S2 {
  12   __attribute__((used)) void bar() noexcept(noexcept(this->foo())) { }
  13   void foo();
  14 };
  15
  16 template <int>
  17 struct S3 {
  18   void __attribute__((used)) bar() noexcept(noexcept(this->foo())) { }
  19   void foo();
  20 };
  21
  22 template <int>
  23 struct S4 {
  24   [[gnu::used]] void bar() noexcept(noexcept(this->foo())) { }
  25   void foo();
  26 };
  27
  28 template <int>
  29 struct S5 {
  30   void bar() noexcept(noexcept(this->foo())) __attribute__((used)) { }
  31   void foo();
  32 };
  33
  34 template <int>
  35 struct S6 {
  36   template <int>
  37   struct N {
  38     [[gnu::used]] void bar() noexcept(noexcept(this->foo())) { }
  39     void foo();
  40   };
  41 };
  42
  43 void
  44 g ()
  45 {
  46   S1<1> s1;
  47   S2<1> s2;
  48   S3<1> s3;
  49   S4<1> s4;
  50   S5<1> s5;
  51   S6<1>::N<1> n;
  52 }
  53
  54 // Make sure that we did emit the functions marked with attribute used
  55 // even though they're not referenced in this TU.  (Well, the S1()
  56 // constructor is.)
  57 // { dg-final { scan-assembler "_ZN2S1ILi1EEC1Ev" } }
  58 // { dg-final { scan-assembler "_ZN2S1ILi1EEC2Ev" } }
  59 // { dg-final { scan-assembler "_ZN2S2ILi1EE3barEv" } }
  60 // { dg-final { scan-assembler "_ZN2S3ILi1EE3barEv" } }
  61 // { dg-final { scan-assembler "_ZN2S4ILi1EE3barEv" } }
  62 // { dg-final { scan-assembler "_ZN2S5ILi1EE3barEv" } }
  63 // { dg-final { scan-assembler "_ZN2S6ILi1EE1NILi1EE3barEv" } }