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-rw-r--r--clang/lib/Driver/ToolChains/Clang.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index f0f2bc21986..aeec477b88d 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -3365,6 +3365,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
options::OPT_fno_optimize_sibling_calls))
CmdArgs.push_back("-mdisable-tail-calls");
+ Args.AddLastArg(CmdArgs, options::OPT_ffine_grained_bitfield_accesses,
+ options::OPT_fno_fine_grained_bitfield_accesses);
+
// Handle segmented stacks.
if (Args.hasArg(options::OPT_fsplit_stack))
CmdArgs.push_back("-split-stacks");
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