testsuite: Fix up pr93166.C test, so that it doesn't FAIL with -std=c++98 and…

testsuite: Fix up pr93166.C test, so that it doesn't FAIL with -std=c++98 and tests what it is supposed to test.

2020-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/93166
	* g++.dg/pr93166.C: Move to ...
	* g++.dg/pr93166_0.C: ... here.  Turn it into a proper lto test.

gcc/testsuite/ChangeLog

 2020-01-26  Jakub Jelinek  <jakub@redhat.com>
 
+	PR ipa/93166
+	* g++.dg/pr93166.C: Move to ...
+	* g++.dg/pr93166_0.C: ... here.  Turn it into a proper lto test.
+
 	PR tree-optimization/92788
 	* g++.dg/pr92788.C: Move to ...
 	* g++.target/i386/pr92788.C: ... here.  Remove target from dg-do line.

gcc/testsuite/g++.dg/pr93166.C → gcc/testsuite/g++.dg/lto/pr93166_0.C

-// { dg-do compile }
-// { dg-options "-shared -flto -O2 -fPIC -fvisibility=hidden" }
+// PR ipa/93166
+// { dg-lto-do link }
+// { dg-lto-options { { -fPIC -O2 -flto -fvisibility=hidden } } }
+// { dg-require-effective-target shared }
+// { dg-require-effective-target fpic }
+// { dg-extra-ld-options "-shared" }
+// { dg-require-visibility "" }
 
 namespace Qt {
 enum DropAction {};