clang/test/SemaCXX/nonnull.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 template<int I>
   4 struct TS {
   5   __attribute__((returns_nonnull))
   6   void *value_dependent(void) {
   7     return I; // no-warning
   8   }
   9
  10   __attribute__((returns_nonnull))
  11   void *value_independent(void) {
  12     return 0; // expected-warning {{null returned from function that requires a non-null return value}}
  13   }
  14 };
  15
  16 namespace Template {
  17   template<typename T> __attribute__((nonnull)) void f(T t);
  18   void g() { f((void*)0); } // expected-warning {{null passed to a callee that requires a non-null argument}}
  19   void h() { f(0); }
  20 }