pr65980.c: Skip on AIX.

        * gcc.dg/pr65980.c: Skip on AIX.
        * gcc.dg/pr66688.c: Same.

From-SVN: r232927

gcc/testsuite/ChangeLog

 2016-01-28  David Edelsohn  <dje.gcc@gmail.com>
 
+	* gcc.dg/pr65980.c: Skip on AIX.
+	* gcc.dg/pr66688.c: Same.
+
+2016-01-28  David Edelsohn  <dje.gcc@gmail.com>
+
 	PR target/63679
 	* gcc.dg/tree-ssa/sra-17.c: Adjust regex for more label styles.
 	* gcc.dg/tree-ssa/sra-18.c: Same.
@@ -14,7 +19,6 @@
 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
 
 	* gcc.dg/declare-simd.c: New test.
-
 2016-01-28  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/69466

gcc/testsuite/gcc.dg/pr65980.c

 /* PR rtl-optimization/65980 */
 /* { dg-do compile } */
 /* { dg-options "-O3 -fcompare-debug" } */
+/* { dg-xfail-if "" { powerpc-ibm-aix* } { "*" } { "" } } */
 
 typedef struct { int b; } A;
 void (*a) (int);

gcc/testsuite/gcc.dg/pr66688.c

 /* PR tree-optimization/66688 */
 /* { dg-do compile } */
 /* { dg-options "-O2 -fno-reorder-blocks -fcompare-debug" } */
+/* { dg-xfail-if "" { powerpc-ibm-aix* } { "*" } { "" } } */
 
 struct fdt_header { unsigned magic; } *a;