diff --git a/bolt/lib/Core/BinarySection.cpp b/bolt/lib/Core/BinarySection.cpp
--- a/bolt/lib/Core/BinarySection.cpp
+++ b/bolt/lib/Core/BinarySection.cpp
@@ -69,7 +69,8 @@
 
 void BinarySection::emitAsData(MCStreamer &Streamer,
                                const Twine &SectionName) const {
-  StringRef SectionContents = getContents();
+  StringRef SectionContents =
+      OutputContents.data() ? getOutputContents() : getContents();
   MCSectionELF *ELFSection =
       BC.Ctx->getELFSection(SectionName, getELFType(), getELFFlags());