From 30ef8d8cb462a9bb8f6d9d377618d80698f009fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=81=AB=E7=84=9A=20=E5=AF=8C=E8=89=AF?= <es@m-labs.hk>
Date: Fri, 9 Jun 2023 13:24:10 +0800
Subject: [PATCH] compiler: skip demangling list of empty names

---
 artiq/compiler/targets.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/artiq/compiler/targets.py b/artiq/compiler/targets.py
index df55e6bd8..0dd835a0a 100644
--- a/artiq/compiler/targets.py
+++ b/artiq/compiler/targets.py
@@ -256,6 +256,8 @@ class Target:
             return backtrace
 
     def demangle(self, names):
+        if not any(names):
+            return names
         with RunTool([self.tool_cxxfilt] + names) as results:
             return results["__stdout__"].read().rstrip().split("\n")