[libcxx] r273697 - [libcxx] guard throw with exception enabling check

[Weiming Zhao via cfe-commits]

Author: weimingz
Date: Fri Jun 24 13:02:27 2016
New Revision: 273697

URL: http://llvm.org/viewvc/llvm-project?rev=273697&view=rev
Log:
[libcxx] guard throw with exception enabling check

Summary: this fixes build error when built with c++14 and no exceptions

Reviewers: rmaprath

Subscribers: weimingz, grandinj, rmaprath, cfe-commits

Differential Revision: http://reviews.llvm.org/D21673

Modified:
    libcxx/trunk/include/experimental/optional

Modified: libcxx/trunk/include/experimental/optional
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/experimental/optional?rev=273697&r1=273696&r2=273697&view=diff
==============================================================================
--- libcxx/trunk/include/experimental/optional (original)
+++ libcxx/trunk/include/experimental/optional Fri Jun 24 13:02:27 2016
@@ -517,7 +517,11 @@ public:
     constexpr value_type const& value() const
     {
         if (!this->__engaged_)
+#ifndef _LIBCPP_NO_EXCEPTIONS
             throw bad_optional_access();
+#else
+            assert(!"bad optional access");
+#endif
         return this->__val_;
     }
 
@@ -525,7 +529,11 @@ public:
     value_type& value()
     {
         if (!this->__engaged_)
+#ifndef _LIBCPP_NO_EXCEPTIONS
             throw bad_optional_access();
+#else
+            assert(!"bad optional access");
+#endif
         return this->__val_;
     }