diff options
Diffstat (limited to 'gcc/rust/checks/errors/rust-feature-gate.cc')
| -rw-r--r-- | gcc/rust/checks/errors/rust-feature-gate.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/rust/checks/errors/rust-feature-gate.cc b/gcc/rust/checks/errors/rust-feature-gate.cc index f3daa61..44007f9 100644 --- a/gcc/rust/checks/errors/rust-feature-gate.cc +++ b/gcc/rust/checks/errors/rust-feature-gate.cc @@ -40,6 +40,13 @@ FeatureGate::visit (AST::Crate &crate) { if (attr.get_path ().as_string () == "feature") { + // check for empty feature, such as `#![feature], this is an error + if (attr.empty_input ()) + { + rust_error_at (attr.get_locus (), ErrorCode::E0556, + "malformed %<feature%> attribute input"); + continue; + } const auto &attr_input = attr.get_attr_input (); auto type = attr_input.get_attr_input_type (); if (type == AST::AttrInput::AttrInputType::TOKEN_TREE) |