1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Archive/ArchiveInternals.h b/lib/Archive/ArchiveInternals.h
index 55684f7023..639f5ac269 100644
--- a/lib/Archive/ArchiveInternals.h
+++ b/lib/Archive/ArchiveInternals.h
@@ -66,7 +66,7 @@ namespace llvm {
       fmag[1] = '\n';
     }
 
-    bool checkSignature() {
+    bool checkSignature() const {
       return 0 == memcmp(fmag, ARFILE_MEMBER_MAGIC,2);
     }
   };