* gcse.c (constprop_register): Check NEXT_INSN (insn) != NULL.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61884 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f1b1152..009fc55 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-01-27  Josef Zlomek  <zlomekj@suse.cz>
+
+       * gcse.c (constprop_register): Check NEXT_INSN (insn) != NULL.
+
 2003-01-27  Richard Earnshaw  <rearnsha@arm.com>
 
        PR optimization/9090

diff --git a/gcc/gcse.c b/gcc/gcse.c
index a68374d..f25a4cf 100644 (file)
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -4126,6 +4126,7 @@ constprop_register (insn, from, to, alter_jumps)
      conditional branch instructions first.  */
   if (alter_jumps
       && (sset = single_set (insn)) != NULL
+      && NEXT_INSN (insn)
       && any_condjump_p (NEXT_INSN (insn)) && onlyjump_p (NEXT_INSN (insn)))
     {
       rtx dest = SET_DEST (sset);