Index: clang/lib/Basic/Targets/BPF.h
===================================================================
--- clang/lib/Basic/Targets/BPF.h
+++ clang/lib/Basic/Targets/BPF.h
@@ -96,6 +96,8 @@
     StringRef CPUName(Name);
     return isValidCPUName(CPUName);
   }
+
+  bool hasExtIntType() const override { return true; }
 };
 } // namespace targets
 } // namespace clang