From cddd5e1f6d6e6128f05364745bf11e14d8712b07 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Tue, 30 Nov 2021 18:02:38 +0300
Subject: [PATCH] compiler: add a panic on internal lambda inconsistency

It's a bit better than behavior observer in #2281 (which is very cryptic).
---
 pkg/compiler/codegen.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/compiler/codegen.go b/pkg/compiler/codegen.go
index ab66620ed..b5cdc0480 100644
--- a/pkg/compiler/codegen.go
+++ b/pkg/compiler/codegen.go
@@ -514,6 +514,9 @@ func (c *codegen) convertFuncDecl(file ast.Node, decl *ast.FuncDecl, pkg *types.
 
 	if !isLambda {
 		for _, f := range c.lambda {
+			if _, ok := c.lambda[c.getIdentName("", f.decl.Name.Name)]; !ok {
+				panic("ICE: lambda name doesn't match map key")
+			}
 			c.convertFuncDecl(file, f.decl, pkg)
 		}
 		c.lambda = make(map[string]*funcScope)