--- a/gcc/testsuite/lib/target-supports.exp	2012-02-22 12:00:21.000000000 +0100
+++ b/gcc/testsuite/lib/target-supports.exp	2012-07-27 19:19:30.849216278 +0200
@@ -4419,6 +4419,14 @@ proc check_effective_target_lto { } {
     return [info exists ENABLE_LTO]
 }
 
+# Return 1 if the compiler has been configure with espf
+# (configure --enable-espf=(all|ssp|pie)) support.
+
+proc check_effective_target_espf { } {
+    global ENABLE_ESPF
+    return [info exists ENABLE_ESPF]
+}
+
 # Return 1 if this target supports the -fsplit-stack option, 0
 # otherwise.
 
--- a/gcc/testsuite/gcc.c-torture/execute/memset-1.x	2012-08-18 14:43:31.963694252 +0200
+++ b/gcc/testsuite/gcc.c-torture/execute/memset-1.x	2012-07-27 21:47:01.000000000 +0200
@@ -0,0 +1,6 @@
+load_lib target-supports.exp
+
+if { [check_effective_target_espf] } {
+        set additional_flags "-U_FORTIFY_SOURCE"
+}
+return 0
--- a/gcc/testsuite/gcc.c-torture/execute/vprintf-chk-1.x	2012-07-30 02:31:20.573793905 +0200
+++ b/gcc/testsuite/gcc.c-torture/execute/vprintf-chk-1.x	2012-07-27 21:47:01.574480025 +0200
@@ -0,0 +1,6 @@
+load_lib target-supports.exp
+
+if [check_effective_target_espf] {
+        set additional_flags "-U_FORTIFY_SOURCE"
+}
+return 0
--- a/gcc/testsuite/gcc.c-torture/execute/vfprintf-chk-1.x	2012-07-30 02:31:07.366794031 +0200
+++ b/gcc/testsuite/gcc.c-torture/execute/vfprintf-chk-1.x	2012-07-27 21:47:01.000000000 +0200
@@ -0,0 +1,6 @@
+load_lib target-supports.exp
+
+if [check_effective_target_espf] {
+        set additional_flags "-U_FORTIFY_SOURCE"
+}
+return 0