diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 612bceb..fa3fd17 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -2271,10 +2271,10 @@
   for (const LocalVariable &L : Locals)
     if (L.DIVar->isParameter())
       Params.push_back(&L);
-  std::sort(Params.begin(), Params.end(),
-            [](const LocalVariable *L, const LocalVariable *R) {
-              return L->DIVar->getArg() < R->DIVar->getArg();
-            });
+  llvm::sort(Params.begin(), Params.end(),
+             [](const LocalVariable *L, const LocalVariable *R) {
+               return L->DIVar->getArg() < R->DIVar->getArg();
+             });
   for (const LocalVariable *L : Params)
     emitLocalVariable(*L);