clang/test/SemaCXX/microsoft-new-delete.cpp

   1 // RUN: %clang_cc1 -fms-compatibility -fsyntax-only -verify -std=c++11 %s
   2
   3 #include <stddef.h>
   4
   5 struct arbitrary_t {} arbitrary;
   6 void *operator new(size_t size, arbitrary_t);
   7
   8 void f() {
   9   // Expect no error in MSVC compatibility mode
  10   int *p = new(arbitrary) int[4];
  11 }
  12
  13 class noncopyable { noncopyable(const noncopyable&); } extern nc; // expected-note {{here}}
  14 void *operator new[](size_t, noncopyable);
  15 void *operator new(size_t, const noncopyable&);
  16 void *q = new (nc) int[4]; // expected-error {{calling a private constructor}}
  17
  18 struct bitfield { int n : 3; } bf; // expected-note {{here}}
  19 void *operator new[](size_t, int &); // expected-note {{passing argument to parameter here}}
  20 void *operator new(size_t, const int &);
  21 void *r = new (bf.n) int[4]; // expected-error {{non-const reference cannot bind to bit-field}}
  22
  23 struct base {};
  24 struct derived : private base {} der; // expected-note {{here}}
  25 void *operator new[](size_t, base &);
  26 void *operator new(size_t, derived &);
  27 void *s = new (der) int[4]; // expected-error {{private}}
  28
  29 struct explicit_ctor { explicit explicit_ctor(int); };
  30 struct explicit_ctor_tag {} ect;
  31 void *operator new[](size_t, explicit_ctor_tag, explicit_ctor);
  32 void *operator new(size_t, explicit_ctor_tag, int);
  33 void *t = new (ect, 0) int[4];
  34 void *u = new (ect, {0}) int[4]; // expected-warning {{braces around scalar init}}