xref: /minix3/external/bsd/llvm/dist/clang/test/Analysis/NewDelete+MismatchedDeallocator_intersections.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -analyze -analyzer-checker=core,cplusplus.NewDelete,unix.MismatchedDeallocator -std=c++11 -verify %s
2*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -analyze -analyzer-checker=core,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,unix.MismatchedDeallocator -DLEAKS -std=c++11 -verify %s
3f4a2713aSLionel Sambuc // expected-no-diagnostics
4f4a2713aSLionel Sambuc 
5f4a2713aSLionel Sambuc typedef __typeof(sizeof(int)) size_t;
6f4a2713aSLionel Sambuc void *malloc(size_t);
7f4a2713aSLionel Sambuc void free(void *);
8f4a2713aSLionel Sambuc 
9f4a2713aSLionel Sambuc //------------------------------------------------------------------
10f4a2713aSLionel Sambuc // Check that alpha.cplusplus.NewDelete + unix.MismatchedDeallocator
11f4a2713aSLionel Sambuc // does not enable warnings produced by the unix.Malloc checker.
12f4a2713aSLionel Sambuc //------------------------------------------------------------------
testMallocFreeNoWarn()13f4a2713aSLionel Sambuc void testMallocFreeNoWarn() {
14f4a2713aSLionel Sambuc   int i;
15f4a2713aSLionel Sambuc   free(&i); // no warn
16f4a2713aSLionel Sambuc 
17f4a2713aSLionel Sambuc   int *p1 = (int *)malloc(sizeof(int));
18f4a2713aSLionel Sambuc   free(++p1); // no warn
19f4a2713aSLionel Sambuc 
20f4a2713aSLionel Sambuc   int *p2 = (int *)malloc(sizeof(int));
21f4a2713aSLionel Sambuc   free(p2);
22f4a2713aSLionel Sambuc   free(p2); // no warn
23f4a2713aSLionel Sambuc 
24f4a2713aSLionel Sambuc   int *p3 = (int *)malloc(sizeof(int)); // no warn
25f4a2713aSLionel Sambuc 
26f4a2713aSLionel Sambuc   int *p4 = (int *)malloc(sizeof(int));
27f4a2713aSLionel Sambuc   free(p4);
28f4a2713aSLionel Sambuc   int j = *p4; // no warn
29f4a2713aSLionel Sambuc }
30