1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/include/llvm/MC/MCAsmBackend.h b/llvm/include/llvm/MC/MCAsmBackend.h
index fb21e195b1d..a146a824072 100644
--- a/llvm/include/llvm/MC/MCAsmBackend.h
+++ b/llvm/include/llvm/MC/MCAsmBackend.h
@@ -73,7 +73,7 @@ public:
   /// the offset specified by the fixup and following the fixup kind as
   /// appropriate. Errors (such as an out of range fixup value) should be
   /// reported via \p Ctx.
-  virtual void applyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
+  virtual void applyFixup(const MCFixup &Fixup, MutableArrayRef<char> Data,
                           uint64_t Value, bool IsPCRel,
                           MCContext &Ctx) const = 0;