From 90676b5c5b63bc9a0ced9da28807355f487bb0e7 Mon Sep 17 00:00:00 2001
From: Ivan Enderlin <ivan.enderlin@hoa-project.net>
Date: Fri, 24 May 2019 14:24:00 +0200
Subject: [PATCH] feat(runtime-c-api) `wasmer_instantiate` raises the source
 error.
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Instead of returning only “error instanting”, `wasmer_instantiate` can
return the real error message.
---
 lib/runtime-c-api/src/instance.rs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/runtime-c-api/src/instance.rs b/lib/runtime-c-api/src/instance.rs
index dfd7f2a14ce..e9611307d0b 100644
--- a/lib/runtime-c-api/src/instance.rs
+++ b/lib/runtime-c-api/src/instance.rs
@@ -99,12 +99,8 @@ pub unsafe extern "C" fn wasmer_instantiate(
     let result = wasmer_runtime::instantiate(bytes, &import_object);
     let new_instance = match result {
         Ok(instance) => instance,
-        Err(_error) => {
-            // TODO the trait bound `wasmer_runtime::error::Error: std::error::Error` is not satisfied
-            //update_last_error(error);
-            update_last_error(CApiError {
-                msg: "error instantiating".to_string(),
-            });
+        Err(error) => {
+            update_last_error(error);
             return wasmer_result_t::WASMER_ERROR;
         }
     };