diff --git a/clang/lib/AST/Interp/Record.h b/clang/lib/AST/Interp/Record.h
index db559d7a6bf46..117dd2b32d585 100644
--- a/clang/lib/AST/Interp/Record.h
+++ b/clang/lib/AST/Interp/Record.h
@@ -66,7 +66,7 @@ class Record {
     return llvm::make_range(Fields.begin(), Fields.end());
   }
 
-  unsigned getNumFields() { return Fields.size(); }
+  unsigned getNumFields() const { return Fields.size(); }
   Field *getField(unsigned I) { return &Fields[I]; }
 
   using const_base_iter = BaseList::const_iterator;
@@ -74,7 +74,7 @@ class Record {
     return llvm::make_range(Bases.begin(), Bases.end());
   }
 
-  unsigned getNumBases() { return Bases.size(); }
+  unsigned getNumBases() const { return Bases.size(); }
   Base *getBase(unsigned I) { return &Bases[I]; }
 
   using const_virtual_iter = VirtualBaseList::const_iterator;
@@ -82,7 +82,7 @@ class Record {
     return llvm::make_range(VirtualBases.begin(), VirtualBases.end());
   }
 
-  unsigned getNumVirtualBases() { return VirtualBases.size(); }
+  unsigned getNumVirtualBases() const { return VirtualBases.size(); }
   Base *getVirtualBase(unsigned I) { return &VirtualBases[I]; }
 
 private: