diff --git a/clang/include/clang/Basic/TargetInfo.h b/clang/include/clang/Basic/TargetInfo.h
index 26f72a1814df..8fbda351ff39 100644
--- a/clang/include/clang/Basic/TargetInfo.h
+++ b/clang/include/clang/Basic/TargetInfo.h
@@ -619,7 +619,7 @@ public:
   /// according to GCC.
   ///
   /// This is used by Sema for inline asm statements.
-  bool isValidGCCRegisterName(StringRef Name) const;
+  virtual bool isValidGCCRegisterName(StringRef Name) const;
 
   /// \brief Returns the "normalized" GCC register name.
   ///
diff --git a/clang/lib/Basic/Targets/BPF.h b/clang/lib/Basic/Targets/BPF.h
index 36d2da4dbf30..61a7ddae9c99 100644
--- a/clang/lib/Basic/Targets/BPF.h
+++ b/clang/lib/Basic/Targets/BPF.h
@@ -63,6 +63,7 @@ public:
     return TargetInfo::VoidPtrBuiltinVaList;
   }
 
+  bool isValidGCCRegisterName(StringRef Name) const override { return true; }
   ArrayRef<const char *> getGCCRegNames() const override { return None; }
 
   bool validateAsmConstraint(const char *&Name,