Undefine min/max in __tree

llvm-svn: 294099

2 files changed, 24 insertions, 0 deletions

diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 170d4c0b308..708fe97cb68 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -17,6 +17,8 @@
 #include <stdexcept>
 #include <algorithm>
 
+#include <__undef_min_max>
+
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
 #endif
diff --git a/libcxx/test/libcxx/containers/associative/undef_min_max.pass.cpp b/libcxx/test/libcxx/containers/associative/undef_min_max.pass.cpp
new file mode 100644
index 00000000000..b108f0ce573
--- /dev/null
+++ b/libcxx/test/libcxx/containers/associative/undef_min_max.pass.cpp
@@ -0,0 +1,22 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-W#warnings"
+#endif
+
+#define min THIS IS A NASTY MACRO!
+#define max THIS IS A NASTY MACRO!
+
+#include <map>
+
+int main() {
+  std::map<int, int> m;
+  ((void)m);
+}