[PATCH] [Tsan] Fix the mmap_large.cc test to build on FreeBSD

[Viktor Kutuzov]

Hi kcc, samsonov, dvyukov, emaste,

http://reviews.llvm.org/D8545

Files:
  test/tsan/mmap_large.cc

Index: test/tsan/mmap_large.cc
===================================================================
--- test/tsan/mmap_large.cc
+++ test/tsan/mmap_large.cc
@@ -4,6 +4,13 @@
 #include <errno.h>
 #include <sys/mman.h>
 
+#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
+
 int main() {
 #ifdef __x86_64__
   const size_t kLog2Size = 39;

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