diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 08eb206a9bae..a0e699eb8c89 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -365,7 +365,7 @@ static StringRef removeTemplateArgs(StringRef Name) {
     return Name;
 
   int OpenBrackets = 0;
-  for (size_t i = Name.size() - 1; i >= 0; --i) {
+  for (int i = Name.size() - 1; i >= 0; --i) {
     if (Name[i] == '>')
       ++OpenBrackets;
     else if (Name[i] == '<') {