Auto merge of #107400 - matthiaskrgr:rollup-l6bycds, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #107022 (Implement `SpecOptionPartialEq` for `cmp::Ordering`)
 - #107100 (Use proper `InferCtxt` when probing for associated types in astconv)
 - #107103 (Use new solver in `evaluate_obligation` query (when new solver is enabled))
 - #107190 (Recover from more const arguments that are not wrapped in curly braces)
 - #107306 (Correct suggestions for closure arguments that need a borrow)
 - #107339 (internally change regions to be covariant)
 - #107344 (Minor tweaks in the new solver)
 - #107373 (Don't merge vtables when full debuginfo is enabled.)

Failed merges:

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

1 files changed, 5 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index b6eb5ee183f..f73bbf3d22b 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -1499,6 +1499,11 @@ pub fn create_vtable_di_node<'ll, 'tcx>(
         return;
     }
 
+    // When full debuginfo is enabled, we want to try and prevent vtables from being
+    // merged. Otherwise debuggers will have a hard time mapping from dyn pointer
+    // to concrete type.
+    llvm::SetUnnamedAddress(vtable, llvm::UnnamedAddr::No);
+
     let vtable_name =
         compute_debuginfo_vtable_name(cx.tcx, ty, poly_trait_ref, VTableNameKind::GlobalVariable);
     let vtable_type_di_node = build_vtable_type_di_node(cx, ty, poly_trait_ref);