From: tecodev <tecodev@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Wed, 9 Mar 2005 19:18:47 +0000 (+0000)
Subject: * src/SDCCopt.c (killDeadCode): fixed bug #1156016
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=994257d0bc2a6ace3d45e0f303916acd94bbc878;p=fw%2Fsdcc

* src/SDCCopt.c (killDeadCode): fixed bug #1156016


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3690 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/ChangeLog b/ChangeLog
index 3a32fced..807437e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2005-05-09 Raphael Neider <rneider AT web.de>
+
+	* src/SDCCopt.c (killDeadCode): fixed bug #1156016
+
 2005-03-06 Maarten Brock <sourceforge.brock AT dse.nl>
 
 	* src/SDCCicode.h: moved CRITICAL and ENDCRITICAL from SKIP_IC2 to SKIP_IC
diff --git a/src/SDCCopt.c b/src/SDCCopt.c
index f7e67ce6..ed0ef8a7 100644
--- a/src/SDCCopt.c
+++ b/src/SDCCopt.c
@@ -978,7 +978,7 @@ killDeadCode (eBBlock ** ebbs, int count)
 		      symbol * resultsym = OP_SYMBOL (IC_RESULT (ic));
 		      symbol * prereqv = resultsym->prereqv;
 		      
-		      if (OP_SYMBOL (prereqv->reqv) == resultsym)
+		      if (prereqv && prereqv->reqv && (OP_SYMBOL (prereqv->reqv) == resultsym))
 			{
 			  operand * newreqv;