[testsuite] Require shared effective target for some lto.exp tests

	* gcc.dg/lto/pr54709_0.c: Require 'shared' effective target.
	* gcc.dg/lto/pr61526_0.c: Likewise.
	* gcc.dg/lto/pr64415_0.c: Likewise.

From-SVN: r244891

gcc/testsuite/ChangeLog

+2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* gcc.dg/lto/pr54709_0.c: Require 'shared' effective target.
+	* gcc.dg/lto/pr61526_0.c: Likewise.
+	* gcc.dg/lto/pr64415_0.c: Likewise.
+
 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/79205

gcc/testsuite/gcc.dg/lto/pr54709_0.c

 /* { dg-lto-do link } */
 /* { dg-require-visibility "hidden" } */
 /* { dg-require-effective-target fpic } */
+/* { dg-require-effective-target shared } */
 /* { dg-extra-ld-options { -shared } } */
 /* { dg-lto-options { { -fPIC -fvisibility=hidden -flto } } } */
 

gcc/testsuite/gcc.dg/lto/pr61526_0.c

 /* { dg-require-effective-target fpic } */
+/* { dg-require-effective-target shared } */
 /* { dg-lto-do link } */
 /* { dg-lto-options { { -fPIC -flto -flto-partition=1to1 } } } */
 /* { dg-extra-ld-options { -shared } } */

gcc/testsuite/gcc.dg/lto/pr64415_0.c

 /* { dg-lto-do link } */
 /* { dg-require-effective-target fpic } */
+/* { dg-require-effective-target shared } */
 /* { dg-lto-options { { -O -flto -fpic } } } */
 /* { dg-extra-ld-options { -shared } } */
 /* { dg-extra-ld-options "-Wl,-undefined,dynamic_lookup" { target *-*-darwin* } } */