From 20431706a863f92cb37dc512fef6e48d192aaf2c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:11:38 +0200
Subject: Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 compiler/rustc_query_system/src/error.rs | 73 +++++++++++++++++++-------------
 1 file changed, 43 insertions(+), 30 deletions(-)

(limited to 'compiler/rustc_query_system/src/error.rs')

diff --git a/compiler/rustc_query_system/src/error.rs b/compiler/rustc_query_system/src/error.rs
index 3fb06cbed..7a20eaceb 100644
--- a/compiler/rustc_query_system/src/error.rs
+++ b/compiler/rustc_query_system/src/error.rs
@@ -1,17 +1,15 @@
-use rustc_errors::AddSubdiagnostic;
-use rustc_span::Span;
+use rustc_macros::{Diagnostic, Subdiagnostic};
+use rustc_session::Limit;
+use rustc_span::{Span, Symbol};
 
+#[derive(Subdiagnostic)]
+#[note(query_system_cycle_stack_middle)]
 pub struct CycleStack {
+    #[primary_span]
     pub span: Span,
     pub desc: String,
 }
 
-impl AddSubdiagnostic for CycleStack {
-    fn add_to_diagnostic(self, diag: &mut rustc_errors::Diagnostic) {
-        diag.span_note(self.span, &format!("...which requires {}...", self.desc));
-    }
-}
-
 #[derive(Copy, Clone)]
 pub enum HandleCycleError {
     Error,
@@ -19,39 +17,39 @@ pub enum HandleCycleError {
     DelayBug,
 }
 
-#[derive(SessionSubdiagnostic)]
+#[derive(Subdiagnostic)]
 pub enum StackCount {
-    #[note(query_system::cycle_stack_single)]
+    #[note(query_system_cycle_stack_single)]
     Single,
-    #[note(query_system::cycle_stack_multiple)]
+    #[note(query_system_cycle_stack_multiple)]
     Multiple,
 }
 
-#[derive(SessionSubdiagnostic)]
+#[derive(Subdiagnostic)]
 pub enum Alias {
-    #[note(query_system::cycle_recursive_ty_alias)]
-    #[help(query_system::cycle_recursive_ty_alias_help1)]
-    #[help(query_system::cycle_recursive_ty_alias_help2)]
+    #[note(query_system_cycle_recursive_ty_alias)]
+    #[help(query_system_cycle_recursive_ty_alias_help1)]
+    #[help(query_system_cycle_recursive_ty_alias_help2)]
     Ty,
-    #[note(query_system::cycle_recursive_trait_alias)]
+    #[note(query_system_cycle_recursive_trait_alias)]
     Trait,
 }
 
-#[derive(SessionSubdiagnostic)]
-#[note(query_system::cycle_usage)]
+#[derive(Subdiagnostic)]
+#[note(query_system_cycle_usage)]
 pub struct CycleUsage {
     #[primary_span]
     pub span: Span,
     pub usage: String,
 }
 
-#[derive(SessionDiagnostic)]
-#[diag(query_system::cycle, code = "E0391")]
+#[derive(Diagnostic)]
+#[diag(query_system_cycle, code = "E0391")]
 pub struct Cycle {
     #[primary_span]
     pub span: Span,
     pub stack_bottom: String,
-    #[subdiagnostic]
+    #[subdiagnostic(eager)]
     pub cycle_stack: Vec<CycleStack>,
     #[subdiagnostic]
     pub stack_count: StackCount,
@@ -61,20 +59,35 @@ pub struct Cycle {
     pub cycle_usage: Option<CycleUsage>,
 }
 
-#[derive(SessionDiagnostic)]
-#[diag(query_system::reentrant)]
+#[derive(Diagnostic)]
+#[diag(query_system_reentrant)]
 pub struct Reentrant;
 
-#[derive(SessionDiagnostic)]
-#[diag(query_system::increment_compilation)]
+#[derive(Diagnostic)]
+#[diag(query_system_increment_compilation)]
 #[help]
-#[note(query_system::increment_compilation_note1)]
-#[note(query_system::increment_compilation_note2)]
+#[note(query_system_increment_compilation_note1)]
+#[note(query_system_increment_compilation_note2)]
 pub struct IncrementCompilation {
     pub run_cmd: String,
     pub dep_node: String,
 }
 
-#[derive(SessionDiagnostic)]
-#[diag(query_system::query_overflow)]
-pub struct QueryOverflow;
+#[derive(Diagnostic)]
+#[help]
+#[diag(query_system_query_overflow)]
+pub struct QueryOverflow {
+    #[primary_span]
+    pub span: Option<Span>,
+    #[subdiagnostic]
+    pub layout_of_depth: Option<LayoutOfDepth>,
+    pub suggested_limit: Limit,
+    pub crate_name: Symbol,
+}
+
+#[derive(Subdiagnostic)]
+#[note(query_system_layout_of_depth)]
+pub struct LayoutOfDepth {
+    pub desc: String,
+    pub depth: usize,
+}
-- 
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