Reapply "Import Dexter to debuginfo-tests""

This reverts commit cb935f345683194e42e6e883d79c5a16479acd74.

Discussion in D68708 advises that green dragon is being briskly
refurbished, and it's good to have this patch up testing it.

1 files changed, 47 insertions, 0 deletions

diff --git a/debuginfo-tests/dexter-tests/asan-deque.cpp b/debuginfo-tests/dexter-tests/asan-deque.cpp
new file mode 100644
index 00000000000..50fe1675048
--- /dev/null
+++ b/debuginfo-tests/dexter-tests/asan-deque.cpp
@@ -0,0 +1,47 @@
+// REQUIRES: !asan, system-linux, lldb
+//           Zorg configures the ASAN stage2 bots to not build the asan
+//           compiler-rt. Only run this test on non-asanified configurations.
+// UNSUPPORTED: apple-lldb-pre-1000
+
+// XFAIL: lldb
+// lldb-8, even outside of dexter, will sometimes trigger an asan fault in
+// the debugged process and generally freak out.
+
+// RUN: %dexter --fail-lt 1.0 -w \
+// RUN:     --builder 'clang' --debugger 'lldb' \
+// RUN:     --cflags "-O1 -glldb -fsanitize=address -arch x86_64" \
+// RUN:     --ldflags="-fsanitize=address" -- %s
+#include <deque>
+
+struct A {
+  int a;
+  A(int a) : a(a) {}
+  A() : a(0) {}
+};
+
+using deq_t = std::deque<A>;
+
+template class std::deque<A>;
+
+static void __attribute__((noinline, optnone)) escape(deq_t &deq) {
+  static volatile deq_t *sink;
+  sink = &deq;
+}
+
+int main() {
+  deq_t deq;
+  deq.push_back(1234);
+  deq.push_back(56789);
+  escape(deq); // DexLabel('first')
+  while (!deq.empty()) {
+    auto record = deq.front();
+    deq.pop_front();
+    escape(deq); // DexLabel('second')
+  }
+}
+
+// DexExpectWatchValue('deq[0].a', '1234', on_line='first')
+// DexExpectWatchValue('deq[1].a', '56789', on_line='first')
+
+// DexExpectWatchValue('deq[0].a', '56789', '0', on_line='second')
+