Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/array-conv2.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// PR c++/91364 - Implement P0388R4: Permit conversions to arrays of unknown bound. // { dg-do compile { target c++2a } } struct A { A(); A(const A(&)[2]); }; using T = A[]; using U = A[2]; // t binds directly to U{} now. Before it bound indirectly to a temporary // A{U{}}. ??? But we don't do it now; see reference_binding and the // BRACE_ENCLOSED_INITIALIZER_P block. A (&&t)[] = {U{}}; U u{}; T & foo () { // This didn't compile before P0388R4: invalid initialization of non-const // reference of type 'A (&)[]' from an rvalue of type // '<brace-enclosed initializer list>'. return {u}; }