llvm/clang/test/Analysis/Malloc+MismatchedDeallocator_intersections.cpp
Dominic Chen 184c6242fa Reland 4: [analyzer] NFC: Update test infrastructure to support multiple constraint managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296895
2017-03-03 18:02:02 +00:00

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1,012 B
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,unix.MismatchedDeallocator -analyzer-store region -std=c++11 -verify %s
// expected-no-diagnostics
typedef __typeof(sizeof(int)) size_t;
void *malloc(size_t);
void free(void *);
//--------------------------------------------------------------------
// Check that unix.Malloc + unix.MismatchedDeallocator does not enable
// warnings produced by the alpha.cplusplus.NewDelete checker.
//--------------------------------------------------------------------
void testNewDeleteNoWarn() {
int i;
delete &i; // no-warning
int *p1 = new int;
delete ++p1; // no-warning
int *p2 = new int;
delete p2;
delete p2; // no-warning
int *p3 = new int; // no-warning
int *p4 = new int;
delete p4;
int j = *p4; // no-warning
}
void testUseZeroAllocNoWarn() {
int *p1 = (int *)operator new(0);
*p1 = 1; // no-warning
int *p2 = (int *)operator new[](0);
p2[0] = 1; // no-warning
int *p3 = new int[0];
p3[0] = 1; // no-warning
}