[PATCH] [Msan] Make unit tests that use mempcpy() passing on FreeBSD

[Viktor Kutuzov]

Hi kcc, samsonov, eugenis, emaste,

http://reviews.llvm.org/D7588

Files:
  lib/msan/tests/msan_test.cc

Index: lib/msan/tests/msan_test.cc
===================================================================
--- lib/msan/tests/msan_test.cc
+++ lib/msan/tests/msan_test.cc
@@ -78,6 +78,12 @@
 # include <sys/mount.h>
 # define f_namelen f_namemax  // FreeBSD names this statfs field so.
 # define cpu_set_t cpuset_t
+extern "C" {
+// FreeBSD's <ssp/string.h> defines mempcpy() to be a macro expanding into
+// a __builtin___mempcpy_chk() call, but since Msan RTL defines it as an
+// ordinary function, we can declare it here to complete the tests.
+void *mempcpy(void *dest, const void *src, size_t n);
+}
 #endif
 
 #if defined(__i386__) || defined(__x86_64__)

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