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-rw-r--r--libstdc++-v3/include/tr1/regex2
1 files changed, 2 insertions, 0 deletions
diff --git a/libstdc++-v3/include/tr1/regex b/libstdc++-v3/include/tr1/regex
index 10db372..bcdea9d 100644
--- a/libstdc++-v3/include/tr1/regex
+++ b/libstdc++-v3/include/tr1/regex
@@ -33,6 +33,8 @@
#pragma GCC system_header
+#include <bits/requires_hosted.h> // TR1
+
#include <algorithm>
#include <bitset>
#include <iterator>