On 01/05/20 15:21 +0200, Jakub Jelinek via Libstdc++ wrote:
On Fri, May 01, 2020 at 02:17:54PM +0100, Jonathan Wakely via Gcc-patches wrote:
The libstdc++ manual documents that _T can not be used, because it's a
macro in system headers on some targets.

        PR libstdc++/94901
        * include/std/type_traits (__is_complete_or_unbounded): Replace
        BADNAME _T with _Tp.
        * testsuite/17_intro/badnames.cc: New test.

Tested powerpc64le-linux and x86_64-linux, committed to master.

This should be backported to gcc-10 too.

Ok for 10 branch, thanks.

+#define _E9            _E9 is a BADNAME
+       // ..
+#define _E24           _E24 is a BADNAME

Just wonder about the above, IMHO it is worth spelling them all in between
too, otherwise we don't catch _E10 or _E13 or _E23 in libstdc++ headers.

OK, can do.

I decided it was pretty unlikely we'd have _E10 without hitting one of
the earlier ones, but I guess it's possible somebody would define _E12
to mean 10e12 or something.

I'll add that to master and then backport the enhanced version.


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