Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 32 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
new file mode 100644
index 000000000..4be6049e9
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
@@ -0,0 +1,32 @@
+/* { dg-options "-O2 -fno-inline-functions" } */
+/* { dg-do run } */
+/* When there are no call-clobbered variables, we should still create
+   a .GLOBAL_VAR to model the side effects of functions.  Without it,
+   we were moving the call to Faref() inside the second call to
+   Faset().  */
+extern void abort (void);
+extern void exit (int);
+
+main ()
+{
+  int table, c, elt;
+  int tem = Faref (table, elt);
+  Faset (table, elt, c);
+  Faset (table, c, tem);/* tem cannot be replaced with Faref (table, elt) */
+  exit (0);
+}
+
+int j = 0;
+
+int __attribute__ ((noinline)) Faref (table, elt)
+{
+  j = 1;
+  return 0;
+}
+
+int __attribute__ ((noinline)) Faset (table, elt, c)
+{
+  if (j != 1)
+    abort ();
+  return 0;
+}