From 27ea27e2e3e77f82cc470dd695f54ececa16cb4b Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Sat, 27 Apr 2019 18:49:13 +0200
Subject: [PATCH] Fix using using the same vtable twice

---
 src/vtable.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/vtable.rs b/src/vtable.rs
index 6cfd59dcd08..5c3d62e22bb 100644
--- a/src/vtable.rs
+++ b/src/vtable.rs
@@ -138,7 +138,12 @@ fn build_vtable<'a, 'tcx: 'a>(
             false,
         )
         .unwrap();
-    fx.module.define_data(data_id, &data_ctx).unwrap();
+
+    match fx.module.define_data(data_id, &data_ctx) {
+        Ok(()) | Err(cranelift_module::ModuleError::DuplicateDefinition(_)) => {}
+        err => err.unwrap(),
+    }
+
     data_id
 }