Add injection point for GTEST_KILLED_BY_SIGNAL_OVERRIDE.
diff --git a/src/gtest-death-test.cc b/src/gtest-death-test.cc
index b049eb0..a614407 100644
--- a/src/gtest-death-test.cc
+++ b/src/gtest-death-test.cc
@@ -169,6 +169,14 @@
 
 // KilledBySignal function-call operator.
 bool KilledBySignal::operator()(int exit_status) const {
+#  if defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_)
+  {
+    bool result;
+    if (GTEST_KILLED_BY_SIGNAL_OVERRIDE_(signum_, exit_status, &result)) {
+      return result;
+    }
+  }
+#  endif  // defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_)
   return WIFSIGNALED(exit_status) && WTERMSIG(exit_status) == signum_;
 }
 # endif  // !GTEST_OS_WINDOWS