re PR target/65602 (gcc.target/i386/mpx tests FAIL)

	PR target/65602
	* gcc.target/i386/mpx/alloca-1-lbv.c (mpx_test): Use
	__builtin_alloca instead of alloca.
	* gcc.target/i386/mpx/alloca-1-nov.c (mpx_test): Likewise.
	* gcc.target/i386/mpx/alloca-1-ubv.c (mpx_test): Likewise.
	* lib/mpx-dg.exp (check_effective_target_mpx): Add wrapper
	check.

From-SVN: r221787

gcc/testsuite/ChangeLog

+2015-03-31  Ilya Enkovich  <ilya.enkovich@intel.com>
+
+	PR target/65602
+	* gcc.target/i386/mpx/alloca-1-lbv.c (mpx_test): Use
+	__builtin_alloca instead of alloca.
+	* gcc.target/i386/mpx/alloca-1-nov.c (mpx_test): Likewise.
+	* gcc.target/i386/mpx/alloca-1-ubv.c (mpx_test): Likewise.
+	* lib/mpx-dg.exp (check_effective_target_mpx): Add wrapper
+	check.
+
 2015-03-30  Jakub Jelinek  <jakub@redhat.com>
 
 	PR ipa/65610

gcc/testsuite/gcc.target/i386/mpx/alloca-1-lbv.c

@@ -16,7 +16,7 @@ int rd (int *p, int i)
 
 int mpx_test (int argc, const char **argv)
 {
-  int *buf = (int *)alloca (100 * sizeof(int));
+  int *buf = (int *)__buitlin_alloca (100 * sizeof(int));
 
   rd (buf, -1);
 

gcc/testsuite/gcc.target/i386/mpx/alloca-1-nov.c

@@ -13,7 +13,7 @@ int rd (int *p, int i)
 
 int mpx_test (int argc, const char **argv)
 {
-  int *buf = (int *)alloca (100 * sizeof(int));
+  int *buf = (int *)__builtin_alloca (100 * sizeof(int));
 
   rd (buf, 0);
   rd (buf, 99);

gcc/testsuite/gcc.target/i386/mpx/alloca-1-ubv.c

@@ -16,7 +16,7 @@ int rd (int *p, int i)
 
 int mpx_test (int argc, const char **argv)
 {
-  int *buf = (int *)alloca (100 * sizeof(int));
+  int *buf = (int *)__builtin_alloca (100 * sizeof(int));
 
   rd (buf, 100);
 

gcc/testsuite/lib/mpx-dg.exp

@@ -20,7 +20,13 @@
 proc check_effective_target_mpx {} {
     return [check_no_compiler_messages mpx executable {
 	int *foo (int *arg) { return arg; }
-	int main (void) { return foo ((void *)0) == 0; }
+	int main (void)
+	{
+	    int *p = __builtin_malloc (sizeof (int));
+	    int res = foo (p) == 0;
+	    __builtin_free (p);
+	    return res;
+	}
     } "-fcheck-pointer-bounds -mmpx"]
 }