1 files changed, 40 insertions, 6 deletions
diff --git a/test/Analysis/Malloc+MismatchedDeallocator+NewDelete.cpp b/test/Analysis/Malloc+MismatchedDeallocator+NewDelete.cpp
index b0bb173..5a596d4 100644
--- a/test/Analysis/Malloc+MismatchedDeallocator+NewDelete.cpp
+++ b/test/Analysis/Malloc+MismatchedDeallocator+NewDelete.cpp
@@ -1,8 +1,7 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,unix.MismatchedDeallocator,alpha.cplusplus.NewDelete -analyzer-store region -std=c++11 -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,unix.MismatchedDeallocator,cplusplus.NewDelete -std=c++11 -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,unix.MismatchedDeallocator,cplusplus.NewDelete,alpha.cplusplus.NewDeleteLeaks -DLEAKS -std=c++11 -verify %s
 
-typedef __typeof(sizeof(int)) size_t;
-void *malloc(size_t);
-void free(void *);
+#include "Inputs/system-header-simulator-for-malloc.h"
 
 //--------------------------------------------------
 // Check that unix.Malloc catches all types of bugs.
@@ -15,7 +14,7 @@ void testMallocDoubleFree() {
 
 void testMallocLeak() {
   int *p = (int *)malloc(sizeof(int));
-} // expected-warning{{Memory is never released; potential leak of memory pointed to by 'p'}}
+} // expected-warning{{Potential leak of memory pointed to by 'p'}}
 
 void testMallocUseAfterFree() {
   int *p = (int *)malloc(sizeof(int));
@@ -52,7 +51,10 @@ void testNewDoubleFree() {
 
 void testNewLeak() {
   int *p = new int;
-} // expected-warning{{Memory is never released; potential leak of memory pointed to by 'p'}}
+}
+#ifdef LEAKS
+// expected-warning@-2 {{Potential leak of memory pointed to by 'p'}}
+#endif
 
 void testNewUseAfterFree() {
   int *p = (int *)operator new(0);
@@ -69,3 +71,35 @@ void testNewOffsetFree() {
   int *p = new int;
   operator delete(++p); // expected-warning{{Argument to operator delete is offset by 4 bytes from the start of memory allocated by 'new'}}
 }
+
+//----------------------------------------------------------------
+// Test that we check for free errors on escaped pointers.
+//----------------------------------------------------------------
+void changePtr(int **p);
+static int *globalPtr;
+void changePointee(int *p);
+
+void testMismatchedChangePtrThroughCall() {
+  int *p = (int*)malloc(sizeof(int)*4);
+  changePtr(&p);
+  delete p; // no-warning the value of the pointer might have changed
+}
+
+void testMismatchedChangePointeeThroughCall() {
+  int *p = (int*)malloc(sizeof(int)*4);
+  changePointee(p);
+  delete p; // expected-warning{{Memory allocated by malloc() should be deallocated by free(), not 'delete'}}
+}
+
+void testShouldReportDoubleFreeNotMismatched() {
+  int *p = (int*)malloc(sizeof(int)*4);
+  globalPtr = p;
+  free(p);
+  delete globalPtr; // expected-warning {{Attempt to free released memory}}
+}
+
+void testMismatchedChangePointeeThroughAssignment() {
+  int *arr = new int[4];
+  globalPtr = arr;
+  delete arr; // expected-warning{{Memory allocated by 'new[]' should be deallocated by 'delete[]', not 'delete'}}
+}
+\ No newline at end of file