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-rw-r--r--libstdc++-v3/include/experimental/regex3
1 files changed, 2 insertions, 1 deletions
diff --git a/libstdc++-v3/include/experimental/regex b/libstdc++-v3/include/experimental/regex
index eb2af151245..633b396b312 100644
--- a/libstdc++-v3/include/experimental/regex
+++ b/libstdc++-v3/include/experimental/regex
@@ -44,6 +44,7 @@ namespace experimental
{
inline namespace fundamentals_v2
{
+#if _GLIBCXX_USE_CXX11_ABI
namespace pmr
{
template<typename _BidirectionalIterator>
@@ -57,7 +58,7 @@ namespace pmr
typedef match_results<wstring::const_iterator> wsmatch;
} // namespace pmr
-
+#endif
} // namespace fundamentals_v2
} // namespace experimental
_GLIBCXX_END_NAMESPACE_VERSION