commit temporary workaround for new Clang exception warning

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@328186 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/libcxx/test/config.py b/utils/libcxx/test/config.py
index 2af4a47..24bbbd5 100644
--- a/utils/libcxx/test/config.py
+++ b/utils/libcxx/test/config.py
@@ -918,6 +918,11 @@
         self.cxx.addWarningFlagIfSupported('-Wno-user-defined-literals')
         self.cxx.addWarningFlagIfSupported('-Wno-noexcept-type')
         self.cxx.addWarningFlagIfSupported('-Wno-aligned-allocation-unavailable')
+        # FIXME: Remove this work-around. It is a temporary hack to get the
+        # throwing debug tests passing. For example:
+        #  * test/libcxx/experimental/filesystem/class.path/path.itr/iterator_db.pass.cpp
+        #  * test/libcxx/thread/futures/futures.promise/set_exception.pass.cpp
+        self.cxx.addWarningFlagIfSupported("-Wno-exceptions")
         # These warnings should be enabled in order to support the MSVC
         # team using the test suite; They enable the warnings below and
         # expect the test suite to be clean.