XFAIL Windows test failures under test/libcxx

This patch XFAIL's a number of tests under test/libcxx when on Windows.
These failures need more investigation or patches to either Clang or libc++
but for now we don't want them to prevent the bot from going green.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@300941 91177308-0d34-0410-b5e6-96231b3b80d8

test/libcxx/thread/futures/futures.promise/set_exception.pass.cpp

@@ -8,6 +8,9 @@
 //===----------------------------------------------------------------------===//
 //
 
+// This test depends on std::exception_ptr which has not yet been implemented.
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
 // UNSUPPORTED: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03

test/libcxx/thread/futures/futures.promise/set_exception_at_thread_exit.pass.cpp

@@ -6,7 +6,9 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
+
+// This test depends on std::exception_ptr which has not yet been implemented.
+// XFAIL: LIBCXX-WINDOWS-FIXME
 
 // UNSUPPORTED: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads

test/libcxx/thread/thread.mutex/thread_safety_lock_guard.pass.cpp

@@ -7,6 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+// On Windows Clang bugs out when both __declspec and __attribute__ are present,
+// the processing goes awry preventing the definition of the types.
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
 // UNSUPPORTED: libcpp-has-no-threads
 // REQUIRES: thread-safety
 

test/libcxx/thread/thread.mutex/thread_safety_lock_unlock.pass.cpp

@@ -7,6 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+// On Windows Clang bugs out when both __declspec and __attribute__ are present,
+// the processing goes awry preventing the definition of the types.
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
 // UNSUPPORTED: libcpp-has-no-threads
 // REQUIRES: thread-safety
 

test/libcxx/thread/thread.mutex/thread_safety_missing_unlock.fail.cpp

@@ -7,6 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+// On Windows Clang bugs out when both __declspec and __attribute__ are present,
+// the processing goes awry preventing the definition of the types.
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
 // UNSUPPORTED: libcpp-has-no-threads
 // REQUIRES: thread-safety
 

test/libcxx/thread/thread.mutex/thread_safety_requires_capability.pass.cpp

@@ -7,6 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+// On Windows Clang bugs out when both __declspec and __attribute__ are present,
+// the processing goes awry preventing the definition of the types.
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
 // UNSUPPORTED: libcpp-has-no-threads
 // REQUIRES: thread-safety