From: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Variadic regular functions were recently added in the parser as they
should be rejected in the ast validation pass. This commit add the ast
validation pass rejecting this kind of variadic arguments.
gcc/rust/ChangeLog:
* checks/errors/rust-ast-validation.cc (ASTValidation::visit): Add
ast validation pass to reject variadic arguments on regular functions.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
---
gcc/rust/checks/errors/rust-ast-validation.cc | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/gcc/rust/checks/errors/rust-ast-validation.cc
b/gcc/rust/checks/errors/rust-ast-validation.cc
index 673290959f4..4142cc6317e 100644
--- a/gcc/rust/checks/errors/rust-ast-validation.cc
+++ b/gcc/rust/checks/errors/rust-ast-validation.cc
@@ -93,6 +93,11 @@ ASTValidation::visit (AST::Function &function)
function.get_self_param ()->get_locus (),
"%<self%> parameter is only allowed in associated functions");
+ if (function.is_variadic ())
+ rust_error_at (
+ function.get_function_params ().back ()->get_locus (),
+ "only foreign or %<unsafe extern \"C\"%> functions may be C-variadic");
+
AST::ContextualASTVisitor::visit (function);
}
--
2.42.1
