From 3d35e0ad734716d1f7c2bb123d7d6150d6fadbac Mon Sep 17 00:00:00 2001
From: JF Bastien <jfb@chromium.org>
Date: Wed, 23 Dec 2015 11:23:18 -0800
Subject: Emit error message when an unknown symbol is found

---
 src/s2wasm.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/s2wasm.h b/src/s2wasm.h
index 45d943446..60aedccf7 100644
--- a/src/s2wasm.h
+++ b/src/s2wasm.h
@@ -961,7 +961,11 @@ private:
       Const* curr = triple.value;
       Name name = triple.name;
       size_t offset = triple.offset;
-      curr->value = Literal(staticAddresses[name] + offset);
+      const auto &symbolAddress = staticAddresses.find(name);
+      if (symbolAddress == staticAddresses.end()) {
+        abort_on("Unknown symbol");
+      }
+      curr->value = Literal(symbolAddress->second + offset);
       assert(curr->value.i32 > 0);
       curr->type = i32;
     }
-- 
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