Additional test for use-after-scope

Summary: Test that asan detects access to the dead variable captured by lambda.

Reviewers: aizatsky, kcc

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D19238

llvm-svn: 266676

1 files changed, 14 insertions, 0 deletions

diff --git a/compiler-rt/test/asan/TestCases/use-after-scope-capture.cc b/compiler-rt/test/asan/TestCases/use-after-scope-capture.cc
new file mode 100644
index 00000000000..28c99b446bf
--- /dev/null
+++ b/compiler-rt/test/asan/TestCases/use-after-scope-capture.cc
@@ -0,0 +1,14 @@
+// RUN: %clangxx_asan -O0 -fsanitize=use-after-scope %s -o %t && %run %t
+// XFAIL: *
+
+int main() {
+  std::function<int()> f;
+  {
+    int x = 0;
+    f = [&x]() {
+      return x;
+    }
+  }
+  return f();  // BOOM
+  // CHECK: ERROR: AddressSanitizer: stack-use-after-scope
+}