add a rustc::query_stability lint

2021-10-05 16:20:43 +02:00
parent 7f7915347d
commit 80fe0bb76e
11 changed files with 246 additions and 65 deletions
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -460,6 +460,9 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
    // Prevents field reads in the marked trait or method to be considered
    // during dead code analysis.
    rustc_attr!(rustc_trivial_field_reads, Normal, template!(Word), INTERNAL_UNSTABLE),
+    // Used by the `rustc::potential_query_instability` lint to warn methods which
+    // might not be stable during incremental compilation.
+    rustc_attr!(rustc_lint_query_instability, Normal, template!(Word), INTERNAL_UNSTABLE),

    // ==========================================================================
    // Internal attributes, Const related: