"-mno-omit-leaf-frame-pointer",
"-fno-omit-frame-pointer",
"-fno-optimize-sibling-calls",
- "-g",
- "-m64"]
+ "-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):