6 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/lto/20091014-1_0.c b/gcc/testsuite/gcc.dg/lto/20091014-1_0.c
new file mode 100644
index 00000000000..241dddbf81f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20091014-1_0.c
@@ -0,0 +1,4 @@
+/* { dg-lto-do link } */
+/* { dg-lto-options {{-fPIC -shared -flto}} } */
+
+/* Empty file.  See PR41173.  */
diff --git a/gcc/testsuite/gcc.dg/lto/20091015-1_0.c b/gcc/testsuite/gcc.dg/lto/20091015-1_0.c
new file mode 100644
index 00000000000..f60e7d16a7e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20091015-1_0.c
@@ -0,0 +1,5 @@
+/* { dg-lto-do link } */
+/* { dg-lto-options {{-fPIC -shared -O2 -flto} {-fPIC -shared -O2 -fwhopr}} } */
+
+#include "20091015-1_b.h"
+void diagnostic_initialize (FILE **stream) { *stream = stderr; }
diff --git a/gcc/testsuite/gcc.dg/lto/20091015-1_1.c b/gcc/testsuite/gcc.dg/lto/20091015-1_1.c
new file mode 100644
index 00000000000..c000518f45d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20091015-1_1.c
@@ -0,0 +1,4 @@
+#include "20091015-1_a.h"
+#include "20091015-1_b.h"
+void ggc_print_common_statistics (FILE *stream) {
+}
diff --git a/gcc/testsuite/gcc.dg/lto/20091015-1_2.c b/gcc/testsuite/gcc.dg/lto/20091015-1_2.c
new file mode 100644
index 00000000000..fd10680866a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20091015-1_2.c
@@ -0,0 +1,5 @@
+#include "20091015-1_a.h"
+#include "20091015-1_b.h"
+void debug_optab_libfuncs (void) {
+foo (stderr,       4         );
+}
diff --git a/gcc/testsuite/gcc.dg/lto/20091015-1_a.h b/gcc/testsuite/gcc.dg/lto/20091015-1_a.h
new file mode 100644
index 00000000000..61e56c9a95f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20091015-1_a.h
@@ -0,0 +1,2 @@
+struct _IO_FILE { int _flags;
+};
diff --git a/gcc/testsuite/gcc.dg/lto/20091015-1_b.h b/gcc/testsuite/gcc.dg/lto/20091015-1_b.h
new file mode 100644
index 00000000000..88139027467
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20091015-1_b.h
@@ -0,0 +1,2 @@
+typedef struct _IO_FILE FILE;
+extern struct _IO_FILE *stderr;