clang/test/OpenMP/deferred-diags.cpp

   1 // RUN: %clang_cc1 -triple x86_64 -verify=expected,dev -std=c++11\
   2 // RUN:            -verify-ignore-unexpected=note \
   3 // RUN:            -fopenmp -fopenmp-version=45 -o - %s
   4
   5 // RUN: %clang_cc1 -triple x86_64 -verify=expected,dev -std=c++11\
   6 // RUN:            -verify-ignore-unexpected=note \
   7 // RUN:            -fopenmp -o - %s
   8
   9 // Test no infinite recursion in DeferredDiagnosticEmitter.
  10 constexpr int foo(int *x) {
  11   return 0;
  12 }
  13
  14 int a = foo(&a);
  15
  16 // Test no crash when both caller and callee have target directives.
  17 int foo();
  18
  19 class B {
  20 public:
  21   void barB(int *isHost) {
  22   #pragma omp target map(tofrom: isHost)
  23      {
  24        *isHost = foo();
  25      }
  26   }
  27 };
  28
  29 class A : public B {
  30 public:
  31   void barA(int *isHost) {
  32   #pragma omp target map(tofrom: isHost)
  33      {
  34        barB(isHost);
  35      }
  36   }
  37 };
  38
  39 // Test that deleting an incomplete class type doesn't cause an assertion.
  40 namespace TestDeleteIncompleteClassDefinition {
  41 struct a;
  42 struct b {
  43   b() {
  44     delete c; // expected-warning {{deleting pointer to incomplete type 'a' is incompatible with C++2c and may cause undefined behavior}}
  45   }
  46   a *c;
  47 };
  48 } // namespace TestDeleteIncompleteClassDefinition