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Support C23's Variadics Without a Named Parameter

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This PR removes the static check that disallowed extern functions
with ellipsis (varargs) as the only parameter since this is now
valid in C23.

Also, adds a doc comment for `check_decl_cvariadic_pos()` and
fixes the name of the function (`varadic` -> `variadic`).
This commit is contained in:
Veera 2024-04-16 18:53:05 -04:00
parent 62a104df98
commit f005b451c2
3 changed files with 5 additions and 17 deletions
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3
compiler/rustc_ast_passes/messages.ftl
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@ -97,9 +97,6 @@ ast_passes_fn_body_extern = incorrect function inside `extern` block
ast_passes_fn_param_c_var_args_not_last =
`...` must be the last argument of a C-variadic function
ast_passes_fn_param_c_var_args_only =
C-variadic function must be declared with at least one named argument
ast_passes_fn_param_doc_comment =
documentation comments cannot be applied to function parameters
.label = doc comments are not allowed here