| Issue |
93130
|
| Summary |
[Clang][C++26] Raw string literals with newly perimitted d-chars are still rejected
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
frederick-vs-ja
|
https://clang.llvm.org/cxx_status.html currently claims that [P2558R2](https://wg21.link/p2558r2) is implemented. However, per [[lex.string]](https://eel.is/c++draft/lex.string), `@`, `$`, and `` ` `` need to be usable as d-chars since C++26, and Clang doesn't accept the newly permitted raw string literals yet.
[Godbolt link](https://godbolt.org/z/W54b1heq4)
```C++
int main() {
(void) R"abc`@$(foobar)abc`@$";
}
```
Perhaps we should add pedantic warning/error for these permitted raw string literals in pre-C++26 modes.
Originally discovered by @jakubjelinek in https://gcc.gnu.org/PR110343.
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