1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,unix.MismatchedDeallocator -analyzer-store region -std=c++11 -verify %s
2 // expected-no-diagnostics
3 
4 typedef __typeof(sizeof(int)) size_t;
5 void *malloc(size_t);
6 void free(void *);
7 
8 //--------------------------------------------------------------------
9 // Check that unix.Malloc + unix.MismatchedDeallocator does not enable
10 // warnings produced by the alpha.cplusplus.NewDelete checker.
11 //--------------------------------------------------------------------
12 void testNewDeleteNoWarn() {
13   int i;
14   delete &i; // no-warning
15 
16   int *p1 = new int;
17   delete ++p1; // no-warning
18 
19   int *p2 = new int;
20   delete p2;
21   delete p2; // no-warning
22 
23   int *p3 = new int; // no-warning
24 
25   int *p4 = new int;
26   delete p4;
27   int j = *p4; // no-warning
28 }
29 
30 void testUseZeroAllocNoWarn() {
31   int *p1 = (int *)operator new(0);
32   *p1 = 1; // no-warning
33 
34   int *p2 = (int *)operator new[](0);
35   p2[0] = 1; // no-warning
36 
37   int *p3 = new int[0];
38   p3[0] = 1; // no-warning
39 }
40