On 12/16/2016 07:23 AM, Nathan Sidwell wrote:
when cxx_eval_constant_expression finds a nonconstant expression it
returns a TREE without TREE_CONSTANT set.
else if (non_constant_p && TREE_CONSTANT (r))
{
/* This isn't actually constant, so unset TREE_CONSTANT. */
...
else // THIS CASE HAPPENS
r = build_nop (TREE_TYPE (r), r);
TREE_CONSTANT (r) = false;
}
Hmm, we shouldn't get here for an expression we're going to use as an lvalue.
Jason
