Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 20 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tls/thread_local-cse.C b/gcc-4.9/gcc/testsuite/g++.dg/tls/thread_local-cse.C
new file mode 100644
index 000000000..5a47e988f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tls/thread_local-cse.C
@@ -0,0 +1,20 @@
+// Test for CSE of the wrapper function: we should only call it once
+// for the two references to ir.
+// { dg-do run { target c++11 } }
+// { dg-options "-O -fno-inline -save-temps" }
+// { dg-add-options tls }
+// { dg-require-effective-target tls_runtime }
+// { dg-final { scan-assembler-times "call *_ZTW2ir" 1 { xfail *-*-* } } }
+// { dg-final cleanup-saved-temps }
+
+// XFAILed until the back end supports a way to mark a function as cseable
+// though not pure.
+
+int f() { return 42; }
+
+thread_local int ir = f();
+
+int main()
+{
+  return ir + ir - 84;
+}