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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/103871] [11/12 Regression] co_await causes build error
Date: Tue, 12 Apr 2022 19:16:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103871

--- Comment #10 from Iain Sandoe <iains at gcc dot gnu.org> ---
Despite investing some time in this, it seems that I cannot get a patch rea=
dy
for master / reviewed and back-ported in time (although I am hopeful to get=
 the
fix sorted out in time for GCC-12)

(I can confirm that my fix does still work for this - but there is just not
enough time to process it through).

----

Looking at the test case and the diagnostics, it seems that PR98056 was lat=
ent
here and  the fix in r12-618-g14ed21f8749ae359690d9c4a69ca38cc45d0d1b0 has
simply revealed it.

a workaround in the example might be:

    auto task =3D g(std::make_unique<s>(std::vector{0L})); // ok
    co_await task;=