1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 391a805..73e000e 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -11065,7 +11065,7 @@ is_aligning_offset (const_tree offset, const_tree exp)
       || !tree_fits_uhwi_p (TREE_OPERAND (offset, 1))
       || compare_tree_int (TREE_OPERAND (offset, 1),
 			   BIGGEST_ALIGNMENT / BITS_PER_UNIT) <= 0
-      || exact_log2 (tree_to_uhwi (TREE_OPERAND (offset, 1)) + 1) < 0)
+      || !pow2p_hwi (tree_to_uhwi (TREE_OPERAND (offset, 1)) + 1))
     return 0;
 
   /* Look at the first operand of BIT_AND_EXPR and strip any conversion.