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Add testcase for PR lto/60820

Message ID 20140417023347.GA24863@kam.mff.cuni.cz
State New
Headers show

Commit Message

Jan Hubicka April 17, 2014, 2:33 a.m. UTC 
Hi,
this is stand alone testcase for that PR.
Comitted to mainline.

	PR lto/60820
	* gcc.dg/lto/pr60820_0.c: New testcase.
	* gcc.dg/lto/pr60820_1.c: New testcase.
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Patch

Index: testsuite/gcc.dg/lto/pr60820_1.c
===================================================================
--- testsuite/gcc.dg/lto/pr60820_1.c	(revision 0)
+++ testsuite/gcc.dg/lto/pr60820_1.c	(revision 0)
@@ -0,0 +1,11 @@ 
+#include <stdio.h>
+struct in6_addr {int bah;};
+extern const struct in6_addr in6addr_any;
+static const struct in6_addr local_in6addr_any = {1};
+#pragma weak in6addr_any = local_in6addr_any
+
+__attribute__ ((used))
+void foo()
+{
+  fprintf (stderr, "v1: %p, v2: %p\n", &local_in6addr_any, &in6addr_any);
+}
Index: testsuite/gcc.dg/lto/pr60820_0.c
===================================================================
--- testsuite/gcc.dg/lto/pr60820_0.c	(revision 0)
+++ testsuite/gcc.dg/lto/pr60820_0.c	(revision 0)
@@ -0,0 +1,13 @@ 
+/* { dg-lto-do link } */
+/* { dg-lto-options {{-flto -r -nostdlib -O2}} } */
+#include <stdio.h>
+struct in6_addr {int bah;};
+extern const struct in6_addr in6addr_any;
+static const struct in6_addr local_in6addr_any = {1};
+#pragma weak in6addr_any = local_in6addr_any
+
+__attribute__ ((used))
+void foo2()
+{
+  fprintf (stderr, "v1: %p, v2: %p\n", &local_in6addr_any, &in6addr_any);
+}