1*b2f0f057SRichard Smith // RUN: %clang_cc1 -std=c++1z -fsized-deallocation -fexceptions -verify %s
2*b2f0f057SRichard Smith 
3*b2f0f057SRichard Smith using size_t = decltype(sizeof(0));
4*b2f0f057SRichard Smith 
5*b2f0f057SRichard Smith namespace std { enum class align_val_t : size_t {}; }
6*b2f0f057SRichard Smith 
7*b2f0f057SRichard Smith // p2 says "A template instance is never a usual deallocation function,
8*b2f0f057SRichard Smith // regardless of its signature." We (and every other implementation) assume
9*b2f0f057SRichard Smith // this means "A function template specialization [...]"
10*b2f0f057SRichard Smith template<typename...Ts> struct A {
11*b2f0f057SRichard Smith   void *operator new(size_t);
12*b2f0f057SRichard Smith   void operator delete(void*, Ts...) = delete; // expected-note 4{{deleted}}
13*b2f0f057SRichard Smith };
14*b2f0f057SRichard Smith 
15*b2f0f057SRichard Smith auto *a1 = new A<>; // expected-error {{deleted}}
16*b2f0f057SRichard Smith auto *a2 = new A<size_t>; // expected-error {{deleted}}
17*b2f0f057SRichard Smith auto *a3 = new A<std::align_val_t>; // expected-error {{deleted}}
18*b2f0f057SRichard Smith auto *a4 = new A<size_t, std::align_val_t>; // expected-error {{deleted}}
19*b2f0f057SRichard Smith auto *a5 = new A<std::align_val_t, size_t>; // ok, not usual
20