Auto merge of #107767 - matthiaskrgr:rollup-9m1qfso, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #100599 (Add compiler error E0523 long description and test)
 - #107471 (rustdoc: do not include empty default-settings tag in HTML)
 - #107555 (Modify existing bounds if they exist)
 - #107662 (Turn projections into copies in CopyProp.)
 - #107695 (Add test for Future inflating arg size to 3x )
 - #107700 (Run the tools builder on all PRs)
 - #107706 (Mark 'atomic_mut_ptr' methods const)
 - #107709 (Fix problem noticed in PR106859 with char -> u8 suggestion)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

3 files changed, 6 insertions, 13 deletions

diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs
index 21652063b47..bf8b8aa2ce4 100644
--- a/compiler/rustc_metadata/src/creader.rs
+++ b/compiler/rustc_metadata/src/creader.rs
@@ -356,7 +356,12 @@ impl<'a> CrateLoader<'a> {
         for (_, other) in self.cstore.iter_crate_data() {
             // Same stable crate id but different SVH
             if other.stable_crate_id() == root.stable_crate_id() && other.hash() != root.hash() {
-                return Err(CrateError::SymbolConflictsOthers(root.name()));
+                bug!(
+                    "Previously returned E0523 here. \
+                     See https://github.com/rust-lang/rust/pull/100599 for additional discussion.\
+                     root.name() = {}.",
+                    root.name()
+                );
             }
         }
 
diff --git a/compiler/rustc_metadata/src/errors.rs b/compiler/rustc_metadata/src/errors.rs
index 02c03114eb6..c32686779fa 100644
--- a/compiler/rustc_metadata/src/errors.rs
+++ b/compiler/rustc_metadata/src/errors.rs
@@ -512,14 +512,6 @@ pub struct SymbolConflictsCurrent {
 }
 
 #[derive(Diagnostic)]
-#[diag(metadata_symbol_conflicts_others, code = "E0523")]
-pub struct SymbolConflictsOthers {
-    #[primary_span]
-    pub span: Span,
-    pub crate_name: Symbol,
-}
-
-#[derive(Diagnostic)]
 #[diag(metadata_stable_crate_id_collision)]
 pub struct StableCrateIdCollision {
     #[primary_span]
diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs
index 74f91a14ea9..755a2425350 100644
--- a/compiler/rustc_metadata/src/locator.rs
+++ b/compiler/rustc_metadata/src/locator.rs
@@ -945,7 +945,6 @@ pub(crate) enum CrateError {
     ExternLocationNotFile(Symbol, PathBuf),
     MultipleCandidates(Symbol, CrateFlavor, Vec<PathBuf>),
     SymbolConflictsCurrent(Symbol),
-    SymbolConflictsOthers(Symbol),
     StableCrateIdCollision(Symbol, Symbol),
     DlOpen(String),
     DlSym(String),
@@ -989,9 +988,6 @@ impl CrateError {
             CrateError::SymbolConflictsCurrent(root_name) => {
                 sess.emit_err(errors::SymbolConflictsCurrent { span, crate_name: root_name });
             }
-            CrateError::SymbolConflictsOthers(root_name) => {
-                sess.emit_err(errors::SymbolConflictsOthers { span, crate_name: root_name });
-            }
             CrateError::StableCrateIdCollision(crate_name0, crate_name1) => {
                 sess.emit_err(errors::StableCrateIdCollision { span, crate_name0, crate_name1 });
             }