clang/test/SemaCXX/eval-crashes.cpp

   1 // RUN: %clang_cc1 -std=c++1z -verify %s
   2
   3 namespace pr32864_0 {
   4   struct transfer_t {
   5     void *fctx;
   6   };
   7   template <typename Ctx> class record {
   8     void run() {
   9       transfer_t t;
  10       Ctx from{t.fctx};
  11     }
  12   };
  13 }
  14
  15 namespace pr33140_0a {
  16   struct S {
  17     constexpr S(const int &a = 0) {}
  18   };
  19   void foo(void) { S s[2] = {}; }
  20 }
  21
  22 namespace pr33140_0b {
  23   bool bar(float const &f = 0);
  24   bool foo() { return bar() && bar(); }
  25 }
  26
  27 namespace pr33140_2 {
  28   struct A { int &&r = 0; };
  29   struct B { A x, y; };
  30   B b = {};
  31 }
  32
  33 namespace pr33140_3 {
  34   typedef struct Y { unsigned int c; } Y_t;
  35   struct X {
  36     Y_t a;
  37   };
  38   struct X foo[2] = {[0 ... 1] = {.a = (Y_t){.c = 0}}}; // expected-warning {{C99 extension}}
  39 }
  40
  41 namespace pr33140_6 {
  42   struct Y { unsigned int c; };
  43   struct X { struct Y *p; };
  44   int f() {
  45     // FIXME: This causes clang to crash.
  46     //return (struct X[2]){ [0 ... 1] = { .p = &(struct Y&)(struct Y&&)(struct Y){0} } }[0].p->c;
  47     return 0;
  48   }
  49 }
  50
  51 namespace pr33140_10 {
  52   int a(const int &n = 0);
  53   bool b() { return a() == a(); }
  54 }
  55
  56 namespace GH67317 {
  57 struct array {
  58   int (&data)[2];
  59   array() : data(*new int[1][2]) {}
  60 };
  61 }
  62
  63 namespace GH96670 {
  64 inline constexpr long ullNil = -1;
  65
  66 template<typename T = long, const T &Nil = ullNil>
  67 struct Test {};
  68
  69 inline constexpr long lNil = -1;
  70 Test<long, lNil> c;
  71 }