diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 862e1166027c..c2f6bf325417 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -4882,6 +4882,7 @@ bool ARMAsmParser::isDeprecated(MCInst &Inst, StringRef &Info) {
     Info = "armv8";
     return true;
   }
+  return false;
 }
 
 static bool isDataTypeToken(StringRef Tok) {