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The C++20 break u8 string literal compatibility bug #299

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uikino opened this issue Mar 21, 2022 · 3 comments
Open

The C++20 break u8 string literal compatibility bug #299

uikino opened this issue Mar 21, 2022 · 3 comments
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@djowel

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@uikino
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uikino commented Mar 21, 2022

Bug

The C++20 P1423R2 paper make compiler compile error if source code using u8"..." string literal with -std=c++20

Suggestion

remove all u8 string literal prefix
@djowel
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djowel commented Mar 21, 2022

Yes, this is a known issue. I'm not happy with suggestions yet that will satisfy both c++17 and c++20.

@djowel djowel self-assigned this Mar 21, 2022
@djowel
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djowel commented Mar 21, 2022

I am OK with this solution: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1423r2.html#emulate
Are you willing to prepare a PR?

@uikino
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uikino commented Apr 11, 2022

I work with Linux and do not have MSVC installed, so the solution provided in the PR can only be described as initially verified on GCC for Linux.

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