[Bug c++/81911] Constant expression from permitted result of a constant expression is not constexpr

2017-08-23 Thread antoshkka at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81911

Antony Polukhin  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |INVALID

--- Comment #2 from Antony Polukhin  ---
Thanks for he clarifications!

[Bug c++/81911] Constant expression from permitted result of a constant expression is not constexpr

2017-08-22 Thread rs2740 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81911

TC  changed:

   What|Removed |Added

 CC||rs2740 at gmail dot com

--- Comment #1 from TC  ---
The full-expression of the initialization of c0 includes the lvalue-to-rvalue
conversion on someVar[0], which is not allowed in a core constant expression;
see [expr.const]/2.7. Note that [expr.const]/2.7.1 only applies to complete
objects, which someVar[0] is not (it's a subobject).