Include ErrorGuaranteed in StableSince::Err.

Author: cjgillot

compiler/rustc_attr_data_structures/src/lib.rs

@@ -24,7 +24,7 @@ use rustc_ast::token::CommentKind;
 use rustc_ast::{AttrStyle, IntTy, UintTy};
 use rustc_ast_pretty::pp::Printer;
 use rustc_span::hygiene::Transparency;
-use rustc_span::{Span, Symbol};
+use rustc_span::{ErrorGuaranteed, Span, Symbol};
 pub use stability::*;
 use thin_vec::ThinVec;
 pub use version::*;
@@ -170,7 +170,7 @@ macro_rules! print_tup {
 }
 
 print_tup!(A B C D E F G H);
-print_skip!(Span, ());
+print_skip!(Span, (), ErrorGuaranteed);
 print_disp!(u16, bool, NonZero<u32>);
 print_debug!(Symbol, UintTy, IntTy, Align, AttrStyle, CommentKind, Transparency);
 

compiler/rustc_attr_data_structures/src/stability.rs

@@ -1,7 +1,7 @@
 use std::num::NonZero;
 
 use rustc_macros::{Decodable, Encodable, HashStable_Generic, PrintAttribute};
-use rustc_span::{Symbol, sym};
+use rustc_span::{ErrorGuaranteed, Symbol, sym};
 
 use crate::{PrintAttribute, RustcVersion};
 
@@ -153,7 +153,7 @@ pub enum StableSince {
     /// Stabilized in the upcoming version, whatever number that is.
     Current,
     /// Failed to parse a stabilization version.
-    Err,
+    Err(ErrorGuaranteed),
 }
 
 impl StabilityLevel {

compiler/rustc_attr_parsing/src/attributes/stability.rs

@@ -292,12 +292,12 @@ pub(crate) fn parse_stability<S: Stage>(
         } else if let Some(version) = parse_version(since) {
             StableSince::Version(version)
         } else {
-            cx.emit_err(session_diagnostics::InvalidSince { span: cx.attr_span });
-            StableSince::Err
+            let err = cx.emit_err(session_diagnostics::InvalidSince { span: cx.attr_span });
+            StableSince::Err(err)
         }
     } else {
-        cx.emit_err(session_diagnostics::MissingSince { span: cx.attr_span });
-        StableSince::Err
+        let err = cx.emit_err(session_diagnostics::MissingSince { span: cx.attr_span });
+        StableSince::Err(err)
     };
 
     match feature {

compiler/rustc_passes/src/lib_features.rs

@@ -44,7 +44,7 @@ impl<'tcx> LibFeatureCollector<'tcx> {
             StabilityLevel::Stable { since, .. } => FeatureStability::AcceptedSince(match since {
                 StableSince::Version(v) => Symbol::intern(&v.to_string()),
                 StableSince::Current => sym::env_CFG_RELEASE,
-                StableSince::Err => return None,
+                StableSince::Err(_) => return None,
             }),
         };
 

compiler/rustc_passes/src/stability.rs

@@ -421,7 +421,7 @@ impl<'tcx> MissingStabilityAnnotations<'tcx> {
                                 .emit_err(errors::CannotStabilizeDeprecated { span, item_sp });
                         }
                     }
-                    StableSince::Err => {
+                    StableSince::Err(_) => {
                         // An error already reported. Assume the unparseable stabilization
                         // version is older than the deprecation version.
                     }

src/librustdoc/html/render/mod.rs

@@ -1110,7 +1110,7 @@ fn since_to_string(since: &StableSince) -> Option<String> {
     match since {
         StableSince::Version(since) => Some(since.to_string()),
         StableSince::Current => Some(RustcVersion::CURRENT.to_string()),
-        StableSince::Err => None,
+        StableSince::Err(_) => None,
     }
 }
 

src/tools/clippy/clippy_lints/src/std_instead_of_core.rs

@@ -249,7 +249,7 @@ fn is_stable(cx: &LateContext<'_>, mut def_id: DefId, msrv: Msrv) -> bool {
             let stable = match since {
                 StableSince::Version(v) => msrv.meets(cx, v),
                 StableSince::Current => msrv.current(cx).is_none(),
-                StableSince::Err => false,
+                StableSince::Err(_) => false,
             };
 
             if !stable {

src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs

@@ -432,7 +432,7 @@ pub fn is_stable_const_fn(cx: &LateContext<'_>, def_id: DefId, msrv: Msrv) -> bo
                     let const_stab_rust_version = match since {
                         StableSince::Version(version) => version,
                         StableSince::Current => RustcVersion::CURRENT,
-                        StableSince::Err => return false,
+                        StableSince::Err(_) => return false,
                     };
 
                     msrv.meets(cx, const_stab_rust_version)