bjoernager/rust
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Err if the debugging options are not passed.

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This commit is contained in:
Camille GILLOT 2021-03-22 19:21:55 +01:00
parent 219603a958
commit 1aad7e738e
6 changed files with 68 additions and 1 deletions
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19
compiler/rustc_passes/src/check_attr.rs
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@ -99,6 +99,12 @@ impl CheckAttrVisitor<'tcx> {
self.check_naked(hir_id, attr, span, target)
} else if self.tcx.sess.check_name(attr, sym::rustc_legacy_const_generics) {
self.check_rustc_legacy_const_generics(&attr, span, target, item)
} else if self.tcx.sess.check_name(attr, sym::rustc_clean)
|| self.tcx.sess.check_name(attr, sym::rustc_dirty)
|| self.tcx.sess.check_name(attr, sym::rustc_if_this_changed)
|| self.tcx.sess.check_name(attr, sym::rustc_then_this_would_need)
{
self.check_rustc_dirty_clean(&attr)
} else {
// lint-only checks
if self.tcx.sess.check_name(attr, sym::cold) {
@ -1012,6 +1018,19 @@ impl CheckAttrVisitor<'tcx> {
}
}
/// Checks if `#[rustc_legacy_const_generics]` is applied to a function and has a valid argument.
fn check_rustc_dirty_clean(&self, attr: &Attribute) -> bool {
if self.tcx.sess.opts.debugging_opts.query_dep_graph {
true
} else {
self.tcx
.sess
.struct_span_err(attr.span, "attribute requires -Z query-dep-graph to be enabled")
.emit();
false
}
}
/// Checks if `#[link_section]` is applied to a function or static.
fn check_link_section(&self, hir_id: HirId, attr: &Attribute, span: &Span, target: Target) {
match target {