Assignments to reference variables shouldn't kill the variable.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105452 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/test/Analysis/reference.cpp b/test/Analysis/reference.cpp
index 6b962157da..f1694163a2 100644
--- a/test/Analysis/reference.cpp
+++ b/test/Analysis/reference.cpp
@@ -1,4 +1,6 @@
 // RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -verify %s
+typedef typeof(sizeof(int)) size_t;
+void malloc (size_t);
 
 void f1() {
   int const &i = 3;
@@ -24,3 +26,31 @@ char t2 () {
   *ptr() = 'c';
   return '0';
 }
+
+// Each of the tests below is repeated with pointers as well as references.
+// This is mostly a sanity check, but then again, both should work!
+char t3 () {
+  char& r = ref();
+  r = 'c'; // no-warning
+  if (r) return r;
+  return *(char*)0; // no-warning
+}
+
+char t4 () {
+  char* p = ptr();
+  *p = 'c'; // no-warning
+  if (*p) return *p;
+  return *(char*)0; // no-warning
+}
+
+char t5 (char& r) {
+  r = 'c'; // no-warning
+  if (r) return r;
+  return *(char*)0; // no-warning
+}
+
+char t6 (char* p) {
+  *p = 'c'; // no-warning
+  if (*p) return *p;
+  return *(char*)0; // no-warning
+}