From 18335859cc65db6417eea163a22da31375f43460 Mon Sep 17 00:00:00 2001
From: martin <laz.git@mfriebe.de>
Date: Thu, 21 Jun 2018 13:08:12 +0000
Subject: [PATCH] IDE, Debugger: detect if stackframes can be retrieved

git-svn-id: trunk@58372 -
---
 ide/debugmanager.pas | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ide/debugmanager.pas b/ide/debugmanager.pas
index 0336706fb4..56103aef84 100644
--- a/ide/debugmanager.pas
+++ b/ide/debugmanager.pas
@@ -1325,6 +1325,8 @@ begin
     while (i < c) do
     begin
       StackEntry := CallStack.CurrentCallStackList.EntriesForThreads[TId].Entries[i];
+      if StackEntry.Validity = ddsRequested then // not yet available
+        break;
       if StackEntry.Line > 0
       then begin
         CurrentSourceUnitInfo := StackEntry.UnitInfo;