Merge "Use getReferent() in enqueueSentinelReference to avoid race with GC."
am: d12f04cb56

Change-Id: I45197211253ba6308695f3bcbf339b118cfed299
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index 66bb803..bf34548 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -1493,11 +1493,6 @@
 }
 
 void Runtime::DumpForSigQuit(std::ostream& os) {
-  // Dumping for SIGQIT may cause deadlocks if the the debugger is active. b/26118154
-  if (Dbg::IsDebuggerActive()) {
-    LOG(INFO) << "Skipping DumpForSigQuit due to active debugger";
-    return;
-  }
   GetClassLinker()->DumpForSigQuit(os);
   GetInternTable()->DumpForSigQuit(os);
   GetJavaVM()->DumpForSigQuit(os);
diff --git a/runtime/utils.cc b/runtime/utils.cc
index 6ed54f7..66739a9 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -37,6 +37,7 @@
 #if defined(__APPLE__)
 #include "AvailabilityMacros.h"  // For MAC_OS_X_VERSION_MAX_ALLOWED
 #include <sys/syscall.h>
+#include <crt_externs.h>
 #endif
 
 #if defined(__linux__)