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-rw-r--r--libgfortran/m4/bessel.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/libgfortran/m4/bessel.m4 b/libgfortran/m4/bessel.m4
index bfdbf9a81e7..41adade7321 100644
--- a/libgfortran/m4/bessel.m4
+++ b/libgfortran/m4/bessel.m4
@@ -163,7 +163,7 @@ bessel_yn_r'rtype_kind` ('rtype` * const restrict ret, int n1, int n2,
x2rev = GFC_REAL_'rtype_kind`_LITERAL(2.)/x;
- for (i = 2; i <= n1+n2; i++)
+ for (i = 2; i <= n2 - n1; i++)
{
#if defined('rtype_name`_INFINITY)
if (unlikely (last2 == -'rtype_name`_INFINITY))