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-rw-r--r--clang/lib/Driver/Tools.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index c04737544f2..b0e581bc78b 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -4067,6 +4067,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
IsWindowsMSVC))
CmdArgs.push_back("-fms-extensions");
+ // -fno-use-line-directives is default.
+ if (Args.hasFlag(options::OPT_fuse_line_directives,
+ options::OPT_fno_use_line_directives, false))
+ CmdArgs.push_back("-fuse-line-directives");
+
// -fms-compatibility=0 is default.
if (Args.hasFlag(options::OPT_fms_compatibility,
options::OPT_fno_ms_compatibility,
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