1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/CGABI.h b/lib/CodeGen/CGABI.h
index ea5e7b7d40..81fe852ec2 100644
--- a/lib/CodeGen/CGABI.h
+++ b/lib/CodeGen/CGABI.h
@@ -17,18 +17,21 @@ namespace CodeGen {
 
 class FortranABI {
 public:
+  virtual ~FortranABI() {}
   virtual ABIArgInfo GetArgABI(QualType ArgType);
   virtual ABIRetInfo GetRetABI(QualType RetType);
 };
 
 class LibflangABI : public FortranABI {
 public:
+  virtual ~LibflangABI() {}
   ABIArgInfo GetArgABI(QualType ArgType);
   ABIRetInfo GetRetABI(QualType RetType);
 };
 
 class LibflangTransferABI : public LibflangABI {
 public:
+  virtual ~LibflangTransferABI() {}
   ABIArgInfo GetArgABI(QualType ArgType);
 };