Fix SignalHandlerTest with ASAN

[folly.git] / folly / Format-inl.h

diff --git a/folly/Format-inl.h b/folly/Format-inl.h
index 60fdf2452c62a1a27768ed9668c0b588e8cf7525..b97375c1f8e6e9b4660fa531af74075872c8d78c 100644 (file)
--- a/folly/Format-inl.h
+++ b/folly/Format-inl.h
@@ -27,6 +27,7 @@
 
 #include <folly/Exception.h>
 #include <folly/FormatTraits.h>
+#include <folly/MapUtil.h>
 #include <folly/Traits.h>
 #include <folly/portability/Windows.h>
 
@@ -950,7 +951,10 @@ struct KeyableTraitsAssoc : public FormatTraitsBase {
   typedef typename T::key_type key_type;
   typedef typename T::value_type::second_type value_type;
   static const value_type& at(const T& map, StringPiece key) {
-    return map.at(KeyFromStringPiece<key_type>::convert(key));
+    if (auto ptr = get_ptr(map, KeyFromStringPiece<key_type>::convert(key))) {
+      return *ptr;
+    }
+    detail::throwFormatKeyNotFoundException(key);
   }
   static const value_type&
   at(const T& map, StringPiece key, const value_type& dflt) {