diff --git a/ChangeLog b/ChangeLog
index 5581f0818d..90a948b482 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2014-11-26  Joseph Myers  <joseph@codesourcery.com>
 
+	[BZ #16619]
+	[BZ #16740]
+	* sysdeps/ieee754/ldbl-128ibm/s_frexpl.c (__frexpl): Use 1LL << 52
+	instead of 1L << 52.
+
 	* libio/bug-rewind.c (do_test): Check fwscanf return values.
 	* libio/bug-rewind2.c (do_test): Likewise.
 
diff --git a/NEWS b/NEWS
index 03f7a98f55..8f8203b310 100644
--- a/NEWS
+++ b/NEWS
@@ -9,10 +9,10 @@ Version 2.21
 
 * The following bugs are resolved with this release:
 
-  6652, 12926, 14132, 14138, 14171, 14498, 15215, 15884, 16469, 17266,
-  17344, 17363, 17370, 17371, 17411, 17460, 17475, 17485, 17501, 17506,
-  17508, 17522, 17555, 17570, 17571, 17572, 17573, 17574, 17582, 17583,
-  17584, 17585, 17589, 17594, 17608, 17616, 17625, 17633.
+  6652, 12926, 14132, 14138, 14171, 14498, 15215, 15884, 16469, 16619,
+  16740, 17266, 17344, 17363, 17370, 17371, 17411, 17460, 17475, 17485,
+  17501, 17506, 17508, 17522, 17555, 17570, 17571, 17572, 17573, 17574,
+  17582, 17583, 17584, 17585, 17589, 17594, 17608, 17616, 17625, 17633.
 
 * CVE-2104-7817 The wordexp function could ignore the WRDE_NOCMD flag
   under certain input conditions resulting in the execution of a shell for
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c b/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
index 483c6a8c5d..52d2d3ea90 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
@@ -79,7 +79,7 @@ long double __frexpl(long double x, int *eptr)
       if (ix == 0
 	  && (int64_t) (hx ^ lx) < 0)
 	{
-	  hx += 1L << 52;
+	  hx += 1LL << 52;
 	  expon -= 1;
 	}
 
@@ -126,7 +126,7 @@ long double __frexpl(long double x, int *eptr)
 		     be wrong since the returned low double will be
 		     zero.  This can happen if the input was
 		     something weird like 0x1p1000 - 0x1p-1000.  */
-		  hx -= 1L << 52;
+		  hx -= 1LL << 52;
 		  expon += 1;
 		}
 	    }