[PATCH] D49520: Add integration test for ASan + -O1 + std::deque

[Vedant Kumar via Phabricator via llvm-commits]

vsk created this revision.
vsk added a reviewer: aprantl.
vsk added a project: debug-info.

This is the (currently failing) ASan test case which motivates https://reviews.llvm.org/D49454.


https://reviews.llvm.org/D49520

Files:
  asan-deque.cpp


Index: asan-deque.cpp
===================================================================
--- /dev/null
+++ 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: not_asan
+//           Zorg configures the ASAN stage2 bots to not build the asan
+//           compiler-rt. Only run this test on non-asanified configurations.
+
+#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.emplace_back(1234);
+  log.emplace_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


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