Handle TLS values in sym_check

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@357705 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/libcxx/sym_check/extract.py b/utils/libcxx/sym_check/extract.py
index 6089ec2..0729989 100644
--- a/utils/libcxx/sym_check/extract.py
+++ b/utils/libcxx/sym_check/extract.py
@@ -160,7 +160,7 @@
                 'type': parts[3],
                 'is_defined': (parts[6] != 'UND')
             }
-            assert new_sym['type'] in ['OBJECT', 'FUNC', 'NOTYPE']
+            assert new_sym['type'] in ['OBJECT', 'FUNC', 'NOTYPE', 'TLS']
             if new_sym['name'] in extract_ignore_names:
                 continue
             if new_sym['type'] == 'NOTYPE':