1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/s390/pr57559.c b/gcc-4.9/gcc/testsuite/gcc.target/s390/pr57559.c
new file mode 100644
index 000000000..15c3878c4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/s390/pr57559.c
@@ -0,0 +1,24 @@
+/* PR rtl-optimization/57559  */
+
+/* { dg-do compile } */
+/* { dg-options "-march=z10 -m64 -mzarch  -O1" } */
+
+typedef int int32_t;
+typedef unsigned char uint8_t;
+typedef unsigned int uint32_t;
+struct _IO_marker
+{
+};
+static const int32_t mfcone = 1;
+static const uint8_t *mfctop = (const uint8_t *) &mfcone;
+int32_t
+decContextTestEndian (uint8_t quiet)
+{
+  int32_t res = 0;
+  uint32_t dle = (uint32_t) 0;
+  if (*(int *) 10 != 0)
+    {
+      res = (int32_t) * mfctop - dle;
+    }
+  return res;
+}