Merge #688

688: Remove warnings from v0_mangle functions in rust-mangle.cc r=CohenArthur a=philberty

With this and that patch applied there are no more warnings building
the rust frontend, so a --enable-bootstrap (-Werror) build completes
successfully.

Fixes #336 

Co-authored-by: Mark Wielaard <mark@klomp.org>

1 files changed, 6 insertions, 2 deletions

diff --git a/gcc/rust/backend/rust-mangle.cc b/gcc/rust/backend/rust-mangle.cc
index 840acb9..0e6643c 100644
--- a/gcc/rust/backend/rust-mangle.cc
+++ b/gcc/rust/backend/rust-mangle.cc
@@ -195,11 +195,15 @@ v0_mangle_item (const TyTy::BaseType *ty, const Resolver::CanonicalPath &path,
 		const std::string &crate_name)
 {
   auto ty_prefix = v0_type_prefix (ty);
+  gcc_unreachable ();
 }
 
 static std::string
 v0_mangle_impl_item (const TyTy::BaseType *self, const TyTy::BaseType *ty,
-		     const std::string &name, const std::string &crate_name);
+		     const std::string &name, const std::string &crate_name)
+{
+  gcc_unreachable ();
+}
 
 std::string
 Mangler::mangle_item (const TyTy::BaseType *ty,
@@ -227,7 +231,7 @@ Mangler::mangle_impl_item (const TyTy::BaseType *self, const TyTy::BaseType *ty,
     case Mangler::MangleVersion::LEGACY:
       return legacy_mangle_impl_item (self, ty, name, crate_name);
     case Mangler::MangleVersion::V0:
-      gcc_unreachable ();
+      return v0_mangle_impl_item (self, ty, name, crate_name);
     default:
       gcc_unreachable ();
     }