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-rw-r--r--gcc/tree-vrp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index b07f121..5e891f5 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -714,6 +714,8 @@ static inline bool
vrp_bitmap_equal_p (const_bitmap b1, const_bitmap b2)
{
return (b1 == b2
+ || ((!b1 || bitmap_empty_p (b1))
+ && (!b2 || bitmap_empty_p (b2)))
|| (b1 && b2
&& bitmap_equal_p (b1, b2)));
}