Re: [PATCH] warn on mem calls modifying objects of non-trivial types (PR 80560)

[Jason Merrill]

On 06/08/2017 01:25 PM, Martin Sebor wrote:
+      if (TREE_CHAIN (DECL_ARGUMENTS (f)))
+       {
+         /* Skip constructors that aren't copy or move ctors.  */
+         if (!copy_fn_p (f))
+           continue;
+
+         cpy_or_move_ctor_p = true;
+       }
+      else
+       {
+         /* Constructor is a default ctor.  */
+         cpy_or_move_ctor_p = false;
+       }

A default constructor can have parameters, so long as they have default 
arguments.  You can use default_ctor_p to test for a default constructor.

Jason