On 09/01/2014 09:41 PM, Ed Smith-Rowland wrote:
+ /* Return type deduction was added as an extension to C++11
+ and was standardized for C+14. */
+ cpp_define (pfile, "__cpp_return_type_deduction=201304");
When I try to use it with -std=c++11 I get
wa.C:1:8: error: ‘f’ function uses ‘auto’ type specifier without
trailing return type
auto f() { return 42; }
^
wa.C:1:8: note: deduced return type only available with -std=c++14 or
-std=gnu++14
Let's move it to the C++14 section.
There is one bit: arrays of runtime bound. These got kicked out of C++14 I
think and is languishing in a TS.
OTOH, we still support it. It's better than the C99 version we supported.
What direction should I take?
/* .... Runtime sized arrays
+ have C++14 semantics even for C++98. */
The comment is inaccurate; most of the restrictions on arrays of runtime
bound are only applied in C++14 mode. Let's put this macro in the C++14
section as well until there's a value or separate macro indicating C99
VLA support.
Jason
