> On Dec 8, 2016, at 7:31 PM, Duncan P. N. Exon Smith
> wrote:
>
>
>> On 2016-Dec-08, at 19:29, Richard Smith wrote:
>>
>> On 8 Dec 2016 7:17 pm, "Duncan P. N. Exon Smith via cfe-commits"
>> wrote:
>> +Eric, Marshall
>>
>> I haven't looked, but: from the test name, "copy.fail.cpp", I susp
> On 2016-Dec-08, at 19:29, Richard Smith wrote:
>
> On 8 Dec 2016 7:17 pm, "Duncan P. N. Exon Smith via cfe-commits"
> wrote:
> +Eric, Marshall
>
> I haven't looked, but: from the test name, "copy.fail.cpp", I suspect there
> is a bug/incompatibility in the test. It likely relies on the co
Hmm, never mind. The test seems to preclude copy elision if I'm looking in the
right place:
std::streambuf &get();
int main()
{
std::streambuf sb = get(); // expected-error
}
> On 2016-Dec-08, at 19:17, Duncan P. N. Exon Smith via cfe-commits
> wrote:
>
> +Eric, Marshall
>
> I haven't
On 8 Dec 2016 7:17 pm, "Duncan P. N. Exon Smith via cfe-commits" <
cfe-commits@lists.llvm.org> wrote:
+Eric, Marshall
I haven't looked, but: from the test name, "copy.fail.cpp", I suspect there
is a bug/incompatibility in the test. It likely relies on the compiler
trying (and failing) to copy so
+Eric, Marshall
I haven't looked, but: from the test name, "copy.fail.cpp", I suspect there is
a bug/incompatibility in the test. It likely relies on the compiler trying
(and failing) to copy something in a context where r288866 guarantees that
there is no copy.
> On 2016-Dec-08, at 18:00, Ad
Hi Richard,
at this point this is more a heads-up than anything actionable, but I wanted to
let you know that I bisected this bot failure
(http://lab.llvm.org:8080/green/job/clang-stage2-cmake-RgSan_check/2721/consoleFull#10584592348254eaf0-7326-4999-85b0-388101f2d404)
of std/input.output/strea
Author: rsmith
Date: Tue Dec 6 17:52:28 2016
New Revision: 288866
URL: http://llvm.org/viewvc/llvm-project?rev=288866&view=rev
Log:
[c++17] P0135R1: Guaranteed copy elision.
When an object of class type is initialized from a prvalue of the same type
(ignoring cv qualifications), use the prvalue
