llvm-project/clang/test/Analysis/NewDelete+MismatchedDealloc...

30 lines
997 B
C++

// RUN: %clang_cc1 -analyze -analyzer-checker=core,cplusplus.NewDelete,unix.MismatchedDeallocator -std=c++11 -verify %s
// RUN: %clang_cc1 -analyze -analyzer-checker=core,cplusplus.NewDelete,alpha.cplusplus.NewDeleteLeaks,unix.MismatchedDeallocator -DLEAKS -std=c++11 -verify %s
// expected-no-diagnostics
typedef __typeof(sizeof(int)) size_t;
void *malloc(size_t);
void free(void *);
//------------------------------------------------------------------
// Check that alpha.cplusplus.NewDelete + unix.MismatchedDeallocator
// does not enable warnings produced by the unix.Malloc checker.
//------------------------------------------------------------------
void testMallocFreeNoWarn() {
int i;
free(&i); // no warn
int *p1 = (int *)malloc(sizeof(int));
free(++p1); // no warn
int *p2 = (int *)malloc(sizeof(int));
free(p2);
free(p2); // no warn
int *p3 = (int *)malloc(sizeof(int)); // no warn
int *p4 = (int *)malloc(sizeof(int));
free(p4);
int j = *p4; // no warn
}