win: Capture some CRITICAL_SECTION debugging data

handler/win/crashy_test_program.cc

Index: handler/win/crashy_test_program.cc
diff --git a/handler/win/crashy_test_program.cc b/handler/win/crashy_test_program.cc
index 622a5e5df08d3218dbdd2e5d1a2ab7fca32992e2..6eb79f1caa28800ea94323f3699b0e0f2491b611 100644
--- a/handler/win/crashy_test_program.cc
+++ b/handler/win/crashy_test_program.cc
@@ -27,6 +27,8 @@
 namespace crashpad {
 namespace {
 
+CRITICAL_SECTION g_test_critical_section;
+
 ULONG RtlNtStatusToDosError(NTSTATUS status) {
   static decltype(::RtlNtStatusToDosError)* rtl_nt_status_to_dos_error =
       reinterpret_cast<decltype(::RtlNtStatusToDosError)*>(
@@ -61,6 +63,10 @@ int CrashyMain(int argc, char* argv[]) {
     return 1;
   }
 
+  InitializeCriticalSectionEx(
+      &g_test_critical_section, 0, RTL_CRITICAL_SECTION_FLAG_FORCE_DEBUG_INFO);
+  EnterCriticalSection(&g_test_critical_section);
+
   SomeCrashyFunction();
 
   return 0;