yronglin wrote:
Thanks for your review!
> The treatment of keywords should be different from that of the alternative
> tokens.
> ```cpp
> typedef int import;
> import extern x; // expected-error {{}}
> ```
Sorry, I don't understand here, extern is a keyword, this `import` will be
treated as `kw_import`, What error we expected here?
> A user-defined string literal is not a _string-literal_:
> ```cpp
> // expected-no-diagnostics
> #define STR(X) # X
> const char *s = STR(
> import "hello"_world;
> );
> ```
Does this means we should disallow macro expansion of the header name in a
import directive? https://wg21.link/P3034R1 only disallow macro expansion in a
module directive.
https://github.com/llvm/llvm-project/pull/107168
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