Check -shared is available for pr87906_0.C

gcc/testsuite/ChangeLog:

	* g++.dg/lto/pr87906_0.C: Add dg-require-effective-target shared check.

From-SVN: r273994

gcc/testsuite/ChangeLog

+2019-08-02  Kito Cheng  <kito.cheng@sifive.com>
+
+	* g++.dg/lto/pr87906_0.C: Add dg-require-effective-target shared check.
+
 2019-08-01  Martin Sebor  <msebor@redhat.com>
 
 	PR c++/90947

gcc/testsuite/g++.dg/lto/pr87906_0.C

 // { dg-lto-do link }
 // { dg-require-effective-target fpic }
+// { dg-require-effective-target shared }
 // { dg-lto-options { { -O -fPIC -flto } } }
 // { dg-extra-ld-options "-shared -nostdlib" }