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authorSteve Ellcey <sje@cup.hp.com>2001-07-16 16:48:31 +0000
committerJeffrey A Law <law@cygnus.com>2001-07-16 16:48:31 +0000
commit4185d267b8e8f217abbeadf1ac1f21288dc4fdc7 (patch)
tree21d75907d7beed2a70361b937b14212f359fb723 /gcc/dominance.c
parentb8740a9b6e9cc9019ca73306da8435d759d9f2f6 (diff)
* dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
in if statement so we don't access undefined memory. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@44043 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/dominance.c')
-rw-r--r--gcc/dominance.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/dominance.c b/gcc/dominance.c
index 66ff11e2bae..8f5e0d370a0 100644
--- a/gcc/dominance.c
+++ b/gcc/dominance.c
@@ -242,7 +242,7 @@ calc_dfs_tree_nonrec (di, bb, reverse)
/* If the next node BN is either already visited or a border
block the current edge is useless, and simply overwritten
with the next edge out of the current node. */
- if (di->dfs_order[bn->index] || bn == ex_block)
+ if (bn == ex_block || di->dfs_order[bn->index])
{
e = e->pred_next;
continue;
@@ -253,7 +253,7 @@ calc_dfs_tree_nonrec (di, bb, reverse)
else
{
bn = e->dest;
- if (di->dfs_order[bn->index] || bn == ex_block)
+ if (bn == ex_block || di->dfs_order[bn->index])
{
e = e->succ_next;
continue;