selectany1.C: New file.

	* g++.dg/ext/selectany1.C: New file. Test for linkonce sections.
	* g++.dg/ext/selectany2.C: New file. Test for errors with invalid
	selectany usage.

From-SVN: r97378

gcc/testsuite/ChangeLog

+2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	* g++.dg/ext/selectany1.C: New file. Test for linkonce sections.
+	* g++.dg/ext/selectany2.C: New file. Test for errors with invalid
+	selectany usage.
+
 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/19406

gcc/testsuite/g++.dg/ext/selectany1.C

+// { dg-do compile { target i?86-pc-cygwin } }
+// { dg-do compile { target i?86-pc-mingw* } }
+
+// Check that selectany attribute puts symbols into link-once sections.
+
+// { dg-final { scan-assembler "\.section\t\.data\\\$foo\[^\n\]*\n\t\.linkonce discard" } }
+// { dg-final { scan-assembler "\.section\t\.data\\\$x\[^\n\]*\n\t\.linkonce discard" } }
+// { dg-final { scan-assembler-dem "\nguard variable for x:" } }
+
+__declspec (selectany) int foo = 1;
+
+class X
+{
+private:
+  int m_i;
+public:
+  X(int i): m_i(i){}
+  ~X(){};
+};
+
+__declspec(selectany) X x(1);

gcc/testsuite/g++.dg/ext/selectany2.C

+// { dg-do compile { target i?86-pc-cygwin } }
+// { dg-do compile { target i?86-pc-mingw* } }
+
+// Check for errors with invalid usage of selectany attribute.
+
+extern int foo;
+__declspec (selectany) int foo = 1;  // OK
+
+struct d
+{
+  static int foo;
+};
+__declspec (selectany) int d::foo = 1;  // OK 
+
+struct  f
+{
+  int i;
+};
+__declspec (selectany) struct f  F= {1}; // OK
+
+__declspec (selectany) int boo;	//{ dg-error "selectany" }
+
+__declspec (selectany) static int bar = 1; // { dg-error "selectany" }
+int use_bar = bar;  //  Avoid defined but not used warning. 
+
+int baz()
+{
+  __declspec (selectany)  int foo = 1;  // { dg-error "selectany" }
+  return foo;
+}