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 //--------------------------------------------------------------------
testNewDeleteNoWarn()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
testUseZeroAllocNoWarn()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