diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 0bfcab8..f379c10 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -924,7 +924,7 @@
     llvm_unreachable("Invalid optimization level!");
 
   case 1:
-    return PassBuilder::O1;
+    return PassBuilder::OptimizationLevel::O1;
 
   case 2:
     switch (Opts.OptimizeSize) {
@@ -932,17 +932,17 @@
       llvm_unreachable("Invalid optimization level for size!");
 
     case 0:
-      return PassBuilder::O2;
+      return PassBuilder::OptimizationLevel::O2;
 
     case 1:
-      return PassBuilder::Os;
+      return PassBuilder::OptimizationLevel::Os;
 
     case 2:
-      return PassBuilder::Oz;
+      return PassBuilder::OptimizationLevel::Oz;
     }
 
   case 3:
-    return PassBuilder::O3;
+    return PassBuilder::OptimizationLevel::O3;
   }
 }