llvm-project/clang/test/Analysis/Malloc+MismatchedDeallocator_intersections.cpp
Nico Weber 8406839d19 Revert "[analyzer] Deprecate -analyzer-store region flag"
This reverts commit d50d9946d1d7e5f20881f0bc71fbd025040b1c96.
Broke check-clang, see comments on https://reviews.llvm.org/D126067

Also revert dependent change "[analyzer] Deprecate the unused 'analyzer-opt-analyze-nested-blocks' cc1 flag"
This reverts commit 07b4a6d0461fe64e10d30029ed3d598e49ca3810.

Also revert "[analyzer] Fix buildbots after introducing a new frontend warning"
This reverts commit 90374df15ddc58d823ca42326a76f58e748f20eb.
(See https://reviews.llvm.org/rG90374df15ddc58d823ca42326a76f58e748f20eb)
2022-06-10 08:50:13 -04:00

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1012 B
C++

// 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
}