Vendor import of clang tags/RELEASE_33/final r183502 (effectively, 3.3

release):
http://llvm.org/svn/llvm-project/cfe/tags/RELEASE_33/final@183502

1 files changed, 19 insertions, 1 deletions

diff --git a/test/Analysis/new.cpp b/test/Analysis/new.cpp
index 44ae980..8d3eee9 100644
--- a/test/Analysis/new.cpp
+++ b/test/Analysis/new.cpp
@@ -8,6 +8,12 @@ extern "C" void *malloc(size_t);
 extern "C" void free(void *);
 
 int someGlobal;
+
+class SomeClass {
+public:
+  void f(int *p);
+};
+
 void testImplicitlyDeclaredGlobalNew() {
   if (someGlobal != 0)
     return;
@@ -101,6 +107,12 @@ void testCacheOut(PtrWrapper w) {
   new (&w.x) (int*)(0); // we cache out here; don't crash
 }
 
+void testUseAfter(int *p) {
+  SomeClass *c = new SomeClass;
+  free(p);
+  c->f(p); // expected-warning{{Use of memory after it is freed}}
+  delete c;
+}
 
 //--------------------------------------------------------------------
 // Check for intersection with other checkers from MallocChecker.cpp 
@@ -126,7 +138,7 @@ void testNewDeleteNoWarn() {
 void testDeleteMallocked() {
   int *x = (int *)malloc(sizeof(int));
   delete x; // FIXME: Shoud detect pointer escape and keep silent after 'delete' is modeled properly.
-} // expected-warning{{Memory is never released; potential leak}}
+} // expected-warning{{Potential leak of memory pointed to by 'x'}}
 
 void testDeleteOpAfterFree() {
   int *p = (int *)malloc(sizeof(int));
@@ -152,6 +164,12 @@ void testCustomPlacementNewAfterFree() {
   p = new(0, p) int; // expected-warning{{Use of memory after it is freed}}
 }
 
+void testUsingThisAfterDelete() {
+  SomeClass *c = new SomeClass;
+  delete c;
+  c->f(0); // no-warning
+}
+
 //--------------------------------
 // Incorrectly-modelled behavior
 //--------------------------------