From 0aa7a94e1032a96a2a72cb6a82824f9fe970d412 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 14 Dec 2022 14:18:44 +0200
Subject: Improve empty simple value to empty list of names reduction
 heuristics

Specifically, do not reduce typed RHS empty simple values for prepend/append
and additionally for assignment provided LHS is typed and is a container.
---
 libbuild2/function.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libbuild2/function.cxx')

diff --git a/libbuild2/function.cxx b/libbuild2/function.cxx
index ae69730..528b396 100644
--- a/libbuild2/function.cxx
+++ b/libbuild2/function.cxx
@@ -213,7 +213,7 @@ namespace build2
             if (f->arg_types[i]             &&
                 *f->arg_types[i] == nullptr &&
                 args[i].type != nullptr)
-              untypify (args[i]);
+              untypify (args[i], true /* reduce */);
           }
         }
 
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