clang/test/Sema/warn-lifetime-analysis-nocfg-disabled.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -Wno-dangling-gsl -Wreturn-stack-address -verify %s
   2
   3 struct [[gsl::Owner(int)]] MyIntOwner {
   4   MyIntOwner();
   5   int &operator*();
   6 };
   7
   8 struct [[gsl::Pointer(int)]] MyIntPointer {
   9   MyIntPointer(int *p = nullptr);
  10   MyIntPointer(const MyIntOwner &);
  11   int &operator*();
  12   MyIntOwner toOwner();
  13 };
  14
  15 int &f() {
  16   int i;
  17   return i; // expected-warning {{reference to stack memory associated with local variable 'i' returned}}
  18 }
  19
  20 MyIntPointer g() {
  21   MyIntOwner o;
  22   return o; // No warning, it is disabled.
  23 }