Import Clang, at r72732.

1 files changed, 14 insertions, 0 deletions

diff --git a/test/Analysis/null-deref-ps-region.c b/test/Analysis/null-deref-ps-region.c
new file mode 100644
index 0000000..80a5f92
--- /dev/null
+++ b/test/Analysis/null-deref-ps-region.c
@@ -0,0 +1,14 @@
+// RUN: clang-cc -analyze -std=gnu99 -checker-cfref -analyzer-store=region -verify %s
+
+
+// The store for 'a[1]' should not be removed mistakenly. SymbolicRegions may
+// also be live roots.
+void f14(int *a) {
+  int i;
+  a[1] = 1;
+  i = a[1];
+  if (i != 1) {
+    int *p = 0;
+    i = *p; // no-warning
+  }
+}