1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/wself-assign-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/wself-assign-2.c
new file mode 100644
index 000000000..d0f69cbaf
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/wself-assign-2.c
@@ -0,0 +1,24 @@
+/* Test how self-assignment detection handles constant-folding happening */
+/*   when parsing the RHS or the initializer.  */
+/* { dg-do compile } */
+/* { dg-options "-Wself-assign" } */
+
+struct Bar {
+  int b_;
+  float c_;
+};
+
+int g;
+
+int main()
+{
+  struct Bar *bar;
+  int x = x - 0; /* should not warn */
+  static int y;
+  struct Bar b_array[5];
+
+  b_array[x+g].b_ = b_array[x+g].b_ * 1; /* should no warn */
+  g = g + 0; /* should not warn */
+  y = y / 1; /* should not warn */
+  bar->b_ = bar->b_ - 0; /* should not warn  */
+}