Merge lto branch into trunk.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@152434 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/lto/20090812_1.c b/gcc/testsuite/gcc.dg/lto/20090812_1.c
new file mode 100644
index 00000000000..e91424492a0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20090812_1.c
@@ -0,0 +1,26 @@
+/* struct X is complete in this TU, this causes us to not merge Y and
+   thus assign different alias-sets to them.  */
+struct X
+{
+  int i;
+};
+struct Y
+{
+  struct X *p;
+  int i;
+};
+extern void abort (void);
+extern void foo(struct Y *);
+int __attribute__((noinline)) bar(struct Y *p)
+{
+  p->i = 0;
+  foo (p);
+  return p->i;
+}
+int main()
+{
+  struct Y y;
+  if (bar (&y) != 1)
+    abort ();
+  return 0;
+}