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, 46 insertions, 0 deletions

diff --git a/debuginfo-tests/llgdb-tests/asan-deque.cpp b/debuginfo-tests/llgdb-tests/asan-deque.cpp
new file mode 100644
index 00000000000..f3f55aae0ff
--- /dev/null
+++ b/debuginfo-tests/llgdb-tests/asan-deque.cpp
@@ -0,0 +1,46 @@
+// RUN: %clangxx -arch x86_64 %target_itanium_abi_host_triple -O1 -g %s -o %t.out -fsanitize=address
+// RUN: %test_debuginfo %s %t.out
+// REQUIRES: !asan
+//           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
+#include <deque>
+
+struct A {
+  int a;
+  A(int a) : a(a) {}
+};
+
+using log_t = std::deque<A>;
+
+static void __attribute__((noinline, optnone)) escape(log_t &log) {
+  static volatile log_t *sink;
+  sink = &log;
+}
+
+int main() {
+  log_t log;
+  log.push_back(1234);
+  log.push_back(56789);
+  escape(log);
+  // DEBUGGER: break 25
+  while (!log.empty()) {
+    auto record = log.front();
+    log.pop_front();
+    escape(log);
+    // DEBUGGER: break 30
+  }
+}
+
+// DEBUGGER: r
+
+// (at line 25)
+// DEBUGGER: p log
+// CHECK: 1234
+// CHECK: 56789
+
+// DEBUGGER: c
+
+// (at line 30)
+// DEBUGGER: p log
+// CHECK: 56789