xref: /aosp_15_r20/external/clang/test/SemaCXX/new-delete-cxx0x.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 -triple=i686-pc-linux-gnu
2*67e74705SXin Li 
ugly_news(int * ip)3*67e74705SXin Li void ugly_news(int *ip) {
4*67e74705SXin Li   // These are ill-formed according to one reading of C++98, and at the least
5*67e74705SXin Li   // have undefined behavior.
6*67e74705SXin Li   // FIXME: They're ill-formed in C++11.
7*67e74705SXin Li   (void)new int[-1]; // expected-warning {{array size is negative}}
8*67e74705SXin Li   (void)new int[2000000000]; // expected-warning {{array is too large}}
9*67e74705SXin Li }
10*67e74705SXin Li 
11*67e74705SXin Li 
12*67e74705SXin Li struct S {
13*67e74705SXin Li   S(int);
14*67e74705SXin Li   S();
15*67e74705SXin Li   ~S();
16*67e74705SXin Li };
17*67e74705SXin Li 
18*67e74705SXin Li struct T { // expected-note 2 {{not viable}}
19*67e74705SXin Li   T(int); // expected-note {{not viable}}
20*67e74705SXin Li };
21*67e74705SXin Li 
fn()22*67e74705SXin Li void fn() {
23*67e74705SXin Li   (void) new int[2] {1, 2};
24*67e74705SXin Li   (void) new S[2] {1, 2};
25*67e74705SXin Li   // C++11 [expr.new]p19:
26*67e74705SXin Li   //   If the new-expression creates an object or an array of objects of class
27*67e74705SXin Li   //   type, access and ambiguity control are done for the allocation function,
28*67e74705SXin Li   //   the deallocation function (12.5), and the constructor (12.1).
29*67e74705SXin Li   //
30*67e74705SXin Li   // Note that this happens even if the array bound is constant and the
31*67e74705SXin Li   // initializer initializes every array element.
32*67e74705SXin Li   (void) new T[2] {1, 2}; // expected-error {{no matching constructor}} expected-note {{in implicit initialization of array element 2}}
33*67e74705SXin Li }
34