On Fri, Oct 13, 2017 at 5:40 AM, Markus Trippelsdorf
<mar...@trippelsdorf.de> wrote:
> r253266 introduced a bogus "cannot bind bitfield" error that breaks
> building Chromium and Node.js.
> Fix by removing the ugly goto.
>
> Tested on ppc64le.
> Ok for trunk?
No, this just undoes my change, so we go back to not doing type
checking for non-dependent static casts. Better I think to avoid the
call to build_static_cast in the first place, by teaching
stabilize_reference that it can return a NON_DEPENDENT_EXPR unchanged.
How does this (untested) patch work for you?
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index e21ff6a1572..366f46f1506 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -333,6 +333,10 @@ cp_stabilize_reference (tree ref)
{
switch (TREE_CODE (ref))
{
+ case NON_DEPENDENT_EXPR:
+ /* We aren't actually evaluating this. */
+ return ref;
+
/* We need to treat specially anything stabilize_reference doesn't
handle specifically. */
case VAR_DECL:
