2 files changed, 19 insertions, 0 deletions
diff --git a/gcc/rust/backend/rust-compile-fnparam.h b/gcc/rust/backend/rust-compile-fnparam.h
index 92a7357..a7bf52a 100644
--- a/gcc/rust/backend/rust-compile-fnparam.h
+++ b/gcc/rust/backend/rust-compile-fnparam.h
@@ -52,6 +52,16 @@ public:
       fndecl, pattern.get_identifier (), decl_type, address_taken, locus);
   }
 
+  void visit (HIR::WildcardPattern &pattern) override
+  {
+    decl_type = ctx->get_backend ()->immutable_type (decl_type);
+
+    bool address_taken = false;
+    compiled_param
+      = ctx->get_backend ()->parameter_variable (fndecl, "_", decl_type,
+						 address_taken, locus);
+  }
+
 private:
   CompileFnParam (Context *ctx, tree fndecl, tree decl_type, Location locus,
 		  const HIR::FunctionParam &param)
diff --git a/gcc/rust/backend/rust-compile-var-decl.h b/gcc/rust/backend/rust-compile-var-decl.h
index a5c736d..4b52dcd 100644
--- a/gcc/rust/backend/rust-compile-var-decl.h
+++ b/gcc/rust/backend/rust-compile-var-decl.h
@@ -64,6 +64,15 @@ public:
 					     address_taken, locus);
   }
 
+  void visit (HIR::WildcardPattern &pattern) override
+  {
+    translated_type = ctx->get_backend ()->immutable_type (translated_type);
+    compiled_variable
+      = ctx->get_backend ()->local_variable (fndecl, "_", translated_type,
+					     NULL /*decl_var*/, address_taken,
+					     locus);
+  }
+
 private:
   CompileVarDecl (Context *ctx, tree fndecl)
     : HIRCompileBase (ctx), fndecl (fndecl),