Re: [PATCH] c++/68711 - [5 regression] SEGV on an invalid offsetof of a member of a virtual base

[Jason Merrill]

On 12/05/2015 06:07 PM, Martin Sebor wrote:
+         tree oper = TREE_OPERAND (object, 0);
+         STRIP_NOPS (oper);
+         null_object_p = integer_zerop (oper);

You could use tree_strip_nop_conversions to avoid needing a local 
variable, but this is OK too.

Jason