[ADT] OptionSet: ifdef out some code that seems to be crashing MSVC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260654 91177308-0d34-0410-b5e6-96231b3b80d8
Svengali · Feb 12, 2016 · 382c649 · 382c649
1 parent 5dce6a8
commit 382c649
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/include/llvm/ADT/OptionSet.h b/include/llvm/ADT/OptionSet.h
@@ -116,6 +116,8 @@ class OptionSet {
   }
 
 private:
+#ifndef _MSC_VER
+  // This is crashing MSVC.
   template <typename T>
   static auto _checkResultTypeOperatorOr(T t) -> decltype(t | t) { return T(); }
 
@@ -124,6 +126,7 @@ class OptionSet {
   static_assert(!std::is_same<decltype(_checkResultTypeOperatorOr(Flags())),
                               Flags>::value,
                 "operator| should produce an OptionSet");
+#endif
 };
 
 }