diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c38bf568fe5..cc695dacb4f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2011-08-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* gcc.dg/pr49948.c: Require pthread effective target.
+
 2011-08-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
 	* gcc.dg/lto/20110201-1_0.c: Provide dummy sqrt.
diff --git a/gcc/testsuite/gcc.dg/pr49948.c b/gcc/testsuite/gcc.dg/pr49948.c
index f7423938053..8a26d8ede37 100644
--- a/gcc/testsuite/gcc.dg/pr49948.c
+++ b/gcc/testsuite/gcc.dg/pr49948.c
@@ -1,5 +1,6 @@
 /* PR tree-optimization/49948 */
 /* { dg-do compile } */
+/* { dg-require-effective-target pthread } */
 /* { dg-options "-O3 -ftree-parallelize-loops=2" } */
 
 extern int a, *b;