1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/pr58668.c b/gcc-4.8/gcc/testsuite/gcc.dg/pr58668.c
new file mode 100644
index 000000000..3e09508dc
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/gcc.dg/pr58668.c
@@ -0,0 +1,25 @@
+/* PR rtl-optimization/58668 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-additional-options "-mthumb" { target { { arm*-*-* } && arm_thumb2_ok } } } */
+
+void *fn1 (void *);
+void *fn2 (void *, const char *);
+void fn3 (void *);
+void fn4 (void *, int);
+
+void *
+test (void *x)
+{
+  void *a, *b;
+  if (!(a = fn1 (x)))
+    return (void *) 0;
+  if (!(b = fn2 (a, "w")))
+    {
+      fn3 (a);
+      return (void *) 0;
+    }
+  fn3 (a);
+  fn4 (b, 1);
+  return b;
+}