[Webkit-unassigned] [Bug 234412] REGRESSION(r287138) [GLIB] Build failure with GCC 8 and 9 in std::array to Span conversion

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=234412

--- Comment #3 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
This info is maybe useful, Clang 6 fails with the same error (or very similar).

$ clang++-6.0 -std=c++17  span_gcc.cpp
span_gcc.cpp:211:10: error: no viable overloaded '='
    span = arr;
    ~~~~ ^ ~~~
span_gcc.cpp:150:21: note: candidate function not viable: no known conversion from 'const std::array<int *, 3>' to 'const Span<const int *const, 18446744073709551615>' for 1st argument
    constexpr Span& operator=(const Span&) noexcept = default;
                    ^
1 error generated.



And clang++-7 builds it fine

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