From fb258f067168c43dfb0b1edd6748d631e3bceef8 Mon Sep 17 00:00:00 2001
From: Jeremy <51220084+jeremy-rifkin@users.noreply.github.com>
Date: Sun, 27 Aug 2023 20:54:34 -0400
Subject: [PATCH] Handle empty addr2line input

---
 src/symbols/symbols_with_addr2line.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/symbols/symbols_with_addr2line.cpp b/src/symbols/symbols_with_addr2line.cpp
index 7647d9d..7135692 100644
--- a/src/symbols/symbols_with_addr2line.cpp
+++ b/src/symbols/symbols_with_addr2line.cpp
@@ -425,6 +425,13 @@ namespace cpptrace {
                     for(const auto& entry : entries) {
                         const auto& object_name = entry.first;
                         const auto& entries_vec = entry.second;
+                        // You may ask why it'd ever happen that there could be an empty entries_vec array, if there're
+                        // no addresses why would get_addr2line_targets do anything? The reason is because if things in
+                        // get_addr2line_targets fail it will silently skip. This is partly an optimization but also an
+                        // assertion below will fail if addr2line is given an empty input.
+                        if(entries_vec.empty()) {
+                            continue;
+                        }
                         std::string address_input;
                         for(const auto& pair : entries_vec) {
                             address_input += pair.first;