test/SemaTemplate/deduction-crash.cpp

   1 // RUN: %clang_cc1 -fsyntax-only %s 2>&1| FileCheck %s
   2
   3 // PR7511
   4
   5 // Note that the error count below doesn't matter. We just want to
   6 // make sure that the parser doesn't crash.
   7 // CHECK: 15 errors
   8 template<a>
   9 struct int_;
  10
  11 template<a>
  12 template<int,typename T1,typename>
  13 struct ac
  14 {
  15   typedef T1 ae
  16 };
  17
  18 template<class>struct aaa
  19 {
  20   typedef ac<1,int,int>::ae ae
  21 };
  22
  23 template<class>
  24 struct state_machine
  25 {
  26   typedef aaa<int>::ae aaa;
  27   int start()
  28   {
  29     ant(0);
  30   }
  31
  32   template<class>
  33   struct region_processing_helper
  34   {
  35     template<class,int=0>
  36     struct In;
  37
  38     template<int my>
  39     struct In<a::int_<aaa::a>,my>;
  40
  41     template<class Event>
  42     int process(Event)
  43     {
  44       In<a::int_<0> > a;
  45     }
  46   }
  47   template<class Event>
  48   int ant(Event)
  49   {
  50     region_processing_helper<int>* helper;
  51     helper->process(0)
  52   }
  53 };
  54
  55 int a()
  56 {
  57   state_machine<int> p;
  58   p.ant(0);
  59 }