Index: compiler-rt/trunk/test/asan/TestCases/dlclose-test.cc
===================================================================
--- compiler-rt/trunk/test/asan/TestCases/dlclose-test.cc
+++ compiler-rt/trunk/test/asan/TestCases/dlclose-test.cc
@@ -33,6 +33,13 @@
 
 #include <string>
 
+#if defined(__FreeBSD__)
+// The MAP_NORESERVE define has been removed in FreeBSD 11.x, and even before
+// that, it was never implemented. So just define it to zero.
+#undef MAP_NORESERVE
+#define MAP_NORESERVE 0
+#endif
+
 using std::string;
 
 typedef int *(fun_t)();