[DebugInfo][MSF] Silence 'not all control paths return a value' warning

when building with MSVC on Windows

diff --git a/llvm/include/llvm/DebugInfo/MSF/MSFError.h b/llvm/include/llvm/DebugInfo/MSF/MSFError.h
index 88c823f..0d0a431 100644 (file)
--- a/llvm/include/llvm/DebugInfo/MSF/MSFError.h
+++ b/llvm/include/llvm/DebugInfo/MSF/MSFError.h
@@ -64,6 +64,7 @@ public:
     case msf_error_code::stream_directory_overflow:
       return true;
     }
+    llvm_unreachable("msf error code not implemented");
   }
 
   static char ID;