Move more early buffered lints to dyn lint diagnostics (1/N)

compiler/rustc_resolve/messages.ftl

@@ -260,6 +260,9 @@ resolve_macro_defined_later =
 resolve_macro_expanded_extern_crate_cannot_shadow_extern_arguments =
     macro-expanded `extern crate` items cannot shadow names passed with `--extern`
 
+resolve_macro_expanded_macro_exports_accessed_by_absolute_paths = macro-expanded `macro_export` macros from the current crate cannot be referred to by absolute paths
+    .note = the macro is defined here
+
 resolve_macro_expected_found =
     expected {$expected}, found {$found} `{$macro_path}`
     .label = not {$article} {$expected}
@@ -339,6 +342,9 @@ resolve_param_in_ty_of_const_param =
 
 resolve_pattern_doesnt_bind_name = pattern doesn't bind `{$name}`
 
+resolve_proc_macro_derive_resolution_fallback = cannot find {$ns_descr} `{$ident}` in this scope
+    .label = names from parent modules are not accessible without an explicit import
+
 resolve_proc_macro_same_crate = can't use a procedural macro from the same crate that defines it
     .help = you can define integration tests in a directory named `tests`
 

compiler/rustc_resolve/src/diagnostics.rs

@@ -138,7 +138,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
                 MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS,
                 CRATE_NODE_ID,
                 span_use,
-                BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def),
+                errors::MacroExpandedMacroExportsAccessedByAbsolutePaths { definition: span_def },
             );
         }
 

compiler/rustc_resolve/src/errors.rs

@@ -3,7 +3,7 @@ use rustc_errors::{
     Applicability, Diag, ElidedLifetimeInPathSubdiag, EmissionGuarantee, IntoDiagArg, MultiSpan,
     Subdiagnostic,
 };
-use rustc_macros::{Diagnostic, Subdiagnostic};
+use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
 use rustc_span::{Ident, Span, Symbol};
 
 use crate::late::PatternSource;
@@ -566,6 +566,22 @@ pub(crate) struct ProcMacroSameCrate {
     pub(crate) is_test: bool,
 }
 
+#[derive(LintDiagnostic)]
+#[diag(resolve_proc_macro_derive_resolution_fallback)]
+pub(crate) struct ProcMacroDeriveResolutionFallback {
+    #[label]
+    pub span: Span,
+    pub ns_descr: &'static str,
+    pub ident: Ident,
+}
+
+#[derive(LintDiagnostic)]
+#[diag(resolve_macro_expanded_macro_exports_accessed_by_absolute_paths)]
+pub(crate) struct MacroExpandedMacroExportsAccessedByAbsolutePaths {
+    #[note]
+    pub definition: Span,
+}
+
 #[derive(Diagnostic)]
 #[diag(resolve_imported_crate)]
 pub(crate) struct CrateImported {

compiler/rustc_resolve/src/ident.rs

@@ -4,7 +4,6 @@ use rustc_ast::{self as ast, NodeId};
 use rustc_errors::ErrorGuaranteed;
 use rustc_hir::def::{DefKind, MacroKinds, Namespace, NonMacroAttrKind, PartialRes, PerNS};
 use rustc_middle::bug;
-use rustc_session::lint::BuiltinLintDiag;
 use rustc_session::lint::builtin::PROC_MACRO_DERIVE_RESOLUTION_FALLBACK;
 use rustc_session::parse::feature_err;
 use rustc_span::hygiene::{ExpnId, ExpnKind, LocalExpnId, MacroKind, SyntaxContext};
@@ -520,7 +519,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
                                         PROC_MACRO_DERIVE_RESOLUTION_FALLBACK,
                                         lint_id,
                                         orig_ident.span,
-                                        BuiltinLintDiag::ProcMacroDeriveResolutionFallback {
+                                        errors::ProcMacroDeriveResolutionFallback {
                                             span: orig_ident.span,
                                             ns_descr: ns.descr(),
                                             ident,