Implement LWG issue #2135. If something goes wrong in condition_variable::wait, call terminate() rather than throwing an error. Do this indirectly, by marking the call as 'noexcept'. This is better than just calling terminate() directly, because it gives a better error message on the console.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@204778 91177308-0d34-0410-b5e6-96231b3b80d8

src/condition_variable.cpp

diff --git a/src/condition_variable.cpp b/src/condition_variable.cpp
index de0f6f4..061d138 100644
--- a/src/condition_variable.cpp
+++ b/src/condition_variable.cpp
@@ -32,7 +32,7 @@
 }
 
 void
-condition_variable::wait(unique_lock<mutex>& lk)
+condition_variable::wait(unique_lock<mutex>& lk) _NOEXCEPT
 {
     if (!lk.owns_lock())
         __throw_system_error(EPERM,
@@ -44,7 +44,7 @@
 
 void
 condition_variable::__do_timed_wait(unique_lock<mutex>& lk,
-               chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp)
+     chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp) _NOEXCEPT
 {
     using namespace chrono;
     if (!lk.owns_lock())