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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/Analysis/null-deref-ps-region.c
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Analysis/null-deref-ps-region.c')
-rw-r--r--clang/test/Analysis/null-deref-ps-region.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/test/Analysis/null-deref-ps-region.c b/clang/test/Analysis/null-deref-ps-region.c
new file mode 100644
index 0000000..08bfac7
--- /dev/null
+++ b/clang/test/Analysis/null-deref-ps-region.c
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -std=gnu99 -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
+ }
+}