Make format_object_base explicitly copyable, so format_objects can be copied without relying on the implicit copy ctor

Use of the implicit copy ctor is deprecated in C++11 in the presence of
a user declared dtor.

llvm-svn: 231222

1 files changed, 1 insertions, 0 deletions

diff --git a/llvm/include/llvm/Support/Format.h b/llvm/include/llvm/Support/Format.h
index 682c5a99161..0bb8cbbc6e6 100644
--- a/llvm/include/llvm/Support/Format.h
+++ b/llvm/include/llvm/Support/Format.h
@@ -38,6 +38,7 @@ class format_object_base {
 protected:
   const char *Fmt;
   ~format_object_base() {} // Disallow polymorphic deletion.
+  format_object_base(const format_object_base&) = default;
   virtual void home(); // Out of line virtual method.
 
   /// Call snprintf() for this object, on the given buffer and size.