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-rw-r--r--test/Analysis/null-deref-ps-region.c14
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
+ }
+}
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