From: vrokas <vrokas@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Fri, 2 Jan 2004 11:11:11 +0000 (+0000)
Subject: * src/SDCClrange.c: fixed bug 869095 that caused segfault
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=2c9fc8a52b774cfc21955b31cd4209f1f3b3cec4;p=fw%2Fsdcc

* src/SDCClrange.c: fixed bug 869095 that caused segfault
in certain cases, e.g. when ROM assignment, patch provided
from Albert den Haan.


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3076 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/ChangeLog b/ChangeLog
index de377cb5..3b094f62 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2004-01-02 Vangelis Rokas <vrokas@otenet.gr>
+
+	* src/SDCClrange.c: fixed bug 869095 that caused segfault
+	in certain cases, e.g. when ROM assignment, patch provided
+	from Albert den Haan.
+
 2004-01-01 Bernhard Held <bernhard@bernhardheld.de>
 
 	Many signedness and type propagation fixes:
diff --git a/src/SDCClrange.c b/src/SDCClrange.c
index 22dada22..f96e3635 100644
--- a/src/SDCClrange.c
+++ b/src/SDCClrange.c
@@ -629,6 +629,10 @@ adjustIChain (eBBlock ** ebbs, int count)
         continue;
 
       ic = ebbs[i]->sch;
+
+      /* is there any code for this eBBlock? (e.g. ROM assignment) */
+      if(!ic)continue;
+
       while (ic->prev)
         ic = ic->prev;
       ebbs[i]->sch = ic;