Runtime: Remove unused once_flag.

pyrtsa · Jan 1, 2016 · 15c9d2b · 15c9d2b
1 parent c27ffd2
commit 15c9d2b
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/stdlib/public/runtime/Casting.cpp b/stdlib/public/runtime/Casting.cpp
@@ -2300,10 +2300,6 @@ const {
 #define SWIFT_PROTOCOL_CONFORMANCES_SECTION ".swift2_protocol_conformances_start"
 #endif
 
-// std:once_flag token to install the dyld callback to enqueue images for
-// protocol conformance lookup.
-static std::once_flag InstallProtocolConformanceAddImageCallbackOnce;
-
 namespace {
   struct ConformanceSection {
     const ProtocolConformanceRecord *Begin, *End;