From 631d00470da55ea5df85992cf731a25b48a59b8f Mon Sep 17 00:00:00 2001
From: Jeremy <51220084+jeremy-rifkin@users.noreply.github.com>
Date: Fri, 22 Sep 2023 10:22:58 -0400
Subject: [PATCH] Handle an edge case in the dwarf code

---
 src/symbols/symbols_with_libdwarf.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/symbols/symbols_with_libdwarf.cpp b/src/symbols/symbols_with_libdwarf.cpp
index 18e6b5d..03bd576 100644
--- a/src/symbols/symbols_with_libdwarf.cpp
+++ b/src/symbols/symbols_with_libdwarf.cpp
@@ -820,9 +820,14 @@ namespace libdwarf {
             if(vec_it != vec.begin()) {
                 vec_it--;
             }
-            //vec_it->die.print();
-            if(vec_it->die.pc_in_die(dwversion, pc)) {
-                retrieve_symbol_for_subprogram(vec_it->die, pc, dwversion, frame);
+            // If the vector has been empty this can happen
+            if(vec_it != vec.end()) {
+                //vec_it->die.print();
+                if(vec_it->die.pc_in_die(dwversion, pc)) {
+                    retrieve_symbol_for_subprogram(vec_it->die, pc, dwversion, frame);
+                }
+            } else {
+                CPPTRACE_ASSERT(vec.size() == 0, "Vec should be empty?");
             }
         }