re PR lto/41584 (WHOPR doesn't grok empty units)

2010-06-03  Richard Guenther  <rguenther@suse.de>

	PR lto/41584
	* gcc.dg/lto/20100603-1_0.c: New testcase.
	* gcc.dg/lto/20100603-2_0.c: Likewise.
	* gcc.dg/lto/20100603-3_0.c: Likewise.

From-SVN: r160223

gcc/testsuite/ChangeLog

+2010-06-03  Richard Guenther  <rguenther@suse.de>
+
+	PR lto/41584
+	* gcc.dg/lto/20100603-1_0.c: New testcase.
+	* gcc.dg/lto/20100603-2_0.c: Likewise.
+	* gcc.dg/lto/20100603-3_0.c: Likewise.
+
 2010-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	PR target/44218

gcc/testsuite/gcc.dg/lto/20100603-1_0.c

+/* { dg-lto-do link } */
+/* { dg-extra-ld-options {-r -nostdlib} } */
+
+/* This file intentionally left empty.  */

gcc/testsuite/gcc.dg/lto/20100603-2_0.c

+/* { dg-lto-do link } */
+/* { dg-extra-ld-options {-r -nostdlib} } */
+
+int foo;
+int *i = &foo;

gcc/testsuite/gcc.dg/lto/20100603-3_0.c

+/* { dg-lto-do link } */
+/* { dg-extra-ld-options {-r -nostdlib} } */
+
+int i = 42;