From ca3d7f97803942a2734af652744359181ee8d841 Mon Sep 17 00:00:00 2001
From: Andrey Breslav <andrey.breslav@jetbrains.com>
Date: Fri, 23 Aug 2013 13:27:48 +0400
Subject: [PATCH] Assertion message

---
 .../backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java b/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java
index 4a0985c7ab4..ccada71f80c 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java
@@ -67,7 +67,8 @@ public class FunctionCodegen extends GenerationStateAware {
 
     public void gen(@NotNull JetNamedFunction function) {
         SimpleFunctionDescriptor functionDescriptor = bindingContext.get(BindingContext.FUNCTION, function);
-        assert functionDescriptor != null;
+        assert functionDescriptor != null : "No descriptor for function " + function.getText() + "\n" +
+                                            "in " + function.getContainingFile().getVirtualFile();
 
         OwnerKind kind = owner.getContextKind();
         JvmMethodSignature method = typeMapper.mapSignature(functionDescriptor, true, kind);