re PR c++/16717 ([unit-at-a-time] __attribute__((constructor)) broken in C++)

	PR c++/16717
	* g++.dg/ext/construct1.C: New test.

From-SVN: r85844

gcc/testsuite/ChangeLog

 2004-08-11  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/16717
+	* g++.dg/ext/construct1.C: New test.
+
+2004-08-11  Mark Mitchell  <mark@codesourcery.com>
+
 	PR c++/16853
 	* g++.dg/init/ptrmem1.C: New test.
 

gcc/testsuite/g++.dg/ext/construct1.C

+// PR c++/16717
+// { dg-options "-O2" }
+
+int i;
+
+void hello (void) __attribute__ ((constructor));
+void hello (void) { i = 1; }
+
+int main (void) {
+  if (i != 1)
+    return 1;
+}