* libbfd.c (bfd_log2): Do return rounded up value.

	* elflink.c (bfd_elf_size_dynsym_hash_dynstr): Replace bfd_log2
	call with expanded old round down version of the function.

1 files changed, 5 insertions, 1 deletions

diff --git a/bfd/libbfd.c b/bfd/libbfd.c
index 4e5813aaf7..cec13d9513 100644
--- a/bfd/libbfd.c
+++ b/bfd/libbfd.c
@@ -979,8 +979,12 @@ bfd_log2 (bfd_vma x)
 {
   unsigned int result = 0;
 
-  while ((x = (x >> 1)) != 0)
+  if (x <= 1)
+    return result;
+  --x;
+  do
     ++result;
+  while ((x >>= 1) != 0);
   return result;
 }