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-rw-r--r--libstdc++-v3/include/debug/unordered_set2
1 files changed, 2 insertions, 0 deletions
diff --git a/libstdc++-v3/include/debug/unordered_set b/libstdc++-v3/include/debug/unordered_set
index 203900aa278..6a4dba6475d 100644
--- a/libstdc++-v3/include/debug/unordered_set
+++ b/libstdc++-v3/include/debug/unordered_set
@@ -29,6 +29,8 @@
#ifndef _GLIBCXX_DEBUG_UNORDERED_SET
#define _GLIBCXX_DEBUG_UNORDERED_SET 1
+#pragma GCC system_header
+
#if __cplusplus < 201103L
# include <bits/c++0x_warning.h>
#else