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-rw-r--r--test/msan/lit.cfg3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/msan/lit.cfg b/test/msan/lit.cfg
index f425e25957ac..011ccd2fae74 100644
--- a/test/msan/lit.cfg
+++ b/test/msan/lit.cfg
@@ -14,6 +14,9 @@ clang_msan_cflags = ["-fsanitize=memory",
"-fno-omit-frame-pointer",
"-fno-optimize-sibling-calls",
"-m64"] + config.debug_info_flags
+# Some Msan tests leverage backtrace() which requires libexecinfo on FreeBSD.
+if config.host_os == 'FreeBSD':
+ clang_msan_cflags += ["-lexecinfo"]
clang_msan_cxxflags = config.cxx_mode_flags + clang_msan_cflags
def build_invocation(compile_flags):