[gcc r15-2568] gccrs: Struct are types, not values

[Arthur Cohen via Gcc-cvs]

https://gcc.gnu.org/g:e47d270c0d51d7865a8cf2575ffab46352db371b

commit r15-2568-ge47d270c0d51d7865a8cf2575ffab46352db371b
Author: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Date:   Wed Jan 24 17:10:42 2024 +0100

    gccrs: Struct are types, not values
    
    We shall search in the right namespace. The correct namespace for struct
    is type namespace.
    
    gcc/rust/ChangeLog:
    
            * typecheck/rust-hir-type-check-item.cc (TypeCheckItem::visit): 
Change
            search location for struct types.
    
    Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>

Diff:
---
 gcc/rust/typecheck/rust-hir-type-check-item.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/rust/typecheck/rust-hir-type-check-item.cc 
b/gcc/rust/typecheck/rust-hir-type-check-item.cc
index 4ab946e1c2a1..3e504e5df322 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-item.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-item.cc
@@ -279,9 +279,11 @@ TypeCheckItem::visit (HIR::StructStruct &struct_decl)
     {
       auto nr_ctx
        = Resolver2_0::ImmutableNameResolutionContext::get ().resolver ();
-      auto canonical_path = nr_ctx.values.to_canonical_path (
+      auto canonical_path = nr_ctx.types.to_canonical_path (
        struct_decl.get_mappings ().get_nodeid ());
 
+      if (!canonical_path.has_value ())
+       rust_unreachable ();
       path = canonical_path.value ();
     }
   else