[ASan] Add a failing test that demonstrates that ASan currently breaks dead code stripping on Linux.

See https://code.google.com/p/address-sanitizer/issues/detail?id=260 for more info.

llvm-svn: 200553

1 files changed, 13 insertions, 0 deletions

diff --git a/compiler-rt/lib/asan/lit_tests/TestCases/Linux/globals-gc-sections.cc b/compiler-rt/lib/asan/lit_tests/TestCases/Linux/globals-gc-sections.cc
new file mode 100644
index 00000000000..72a9e9498f8
--- /dev/null
+++ b/compiler-rt/lib/asan/lit_tests/TestCases/Linux/globals-gc-sections.cc
@@ -0,0 +1,13 @@
+// RUN: %clangxx_asan %s -o %t -Wl,--gc-sections -ffunction-sections -mllvm -asan-globals=0
+// RUN: %clangxx_asan %s -o %t -Wl,--gc-sections -ffunction-sections -mllvm -asan-globals=1
+
+// https://code.google.com/p/address-sanitizer/issues/detail?id=260
+// XFAIL: *
+
+int undefined();
+
+int (*unused)() = undefined;
+
+int main() {
+        return 0;
+}