[gcc r15-8852] gccrs: Insert crate name in canonical path

[Arthur Cohen via Gcc-cvs]

https://gcc.gnu.org/g:7567357e178090bf549d4d325b74087b260f9169

commit r15-8852-g7567357e178090bf549d4d325b74087b260f9169
Author: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Date:   Mon Mar 10 16:05:18 2025 +0100

    gccrs: Insert crate name in canonical path
    
    gcc/rust/ChangeLog:
    
            * resolve/rust-forever-stack.hxx: Insert a new segment with the 
crate's
            name as canonical's path prefix.
    
    Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>

Diff:
---
 gcc/rust/resolve/rust-forever-stack.hxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/gcc/rust/resolve/rust-forever-stack.hxx 
b/gcc/rust/resolve/rust-forever-stack.hxx
index 628b8c5b6fe8..59142a4094cd 100644
--- a/gcc/rust/resolve/rust-forever-stack.hxx
+++ b/gcc/rust/resolve/rust-forever-stack.hxx
@@ -704,7 +704,12 @@ ForeverStack<N>::to_canonical_path (NodeId id) const
       return KeepGoing::Yes;
     });
 
-    auto path = Resolver::CanonicalPath::create_empty ();
+    auto &mappings = Analysis::Mappings::get ();
+    CrateNum crate_num = mappings.lookup_crate_num (root.id).value ();
+    auto path = Resolver::CanonicalPath::new_seg (
+      root.id, mappings.get_crate_name (crate_num).value ());
+    path.set_crate_num (crate_num);
+
     for (const auto &segment : segments)
       path = path.append (segment);