From: Olivier Hainque <hainque@act-europe.fr>
Date: Tue, 15 Apr 2003 12:37:58 +0000 (+0200)
Subject: except.c (resolve_fixup_regions): Avoid dereferencing null pointer to region...
X-Git-Tag: releases/gcc-3.4.0~7278
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=29921faf497b685d7a63ce2f16bae9a4f08d1dfd;p=thirdparty%2Fgcc.git

except.c (resolve_fixup_regions): Avoid dereferencing null pointer to region...

	* except.c (resolve_fixup_regions): Avoid dereferencing null pointer
	to region, possible after integration of function with unreachable
	regions that were optimized away.

From-SVN: r65631
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fe08c418ce2f..092ae7cc8c1a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2003-04-15  Olivier Hainque <hainque@act-europe.fr>
+
+	* except.c (resolve_fixup_regions): Avoid dereferencing null pointer
+	to region, possible after integration of function with unreachable
+	regions that were optimized away.
+
 2003-04-15  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/rs6000/rs6000.h (EPILOGUE_USES): Use register 2,
diff --git a/gcc/except.c b/gcc/except.c
index 7cdb187e1647..a99983462cc8 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -913,7 +913,7 @@ resolve_fixup_regions ()
       for (j = 1; j <= n; ++j)
 	{
 	  cleanup = cfun->eh->region_array[j];
-	  if (cleanup->type == ERT_CLEANUP
+	  if (cleanup && cleanup->type == ERT_CLEANUP
 	      && cleanup->u.cleanup.exp == fixup->u.fixup.cleanup_exp)
 	    break;
 	}