1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr48739-1.c b/gcc/testsuite/gcc.dg/pr48739-1.c
new file mode 100644
index 000000000..4dcdca977
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr48739-1.c
@@ -0,0 +1,27 @@
+/* PR tree-optimization/48739 */
+/* { dg-do compile } */
+/* { dg-require-effective-target pthread } */
+/* { dg-options "-O1 -ftree-parallelize-loops=2 -fno-tree-dominator-opts" } */
+
+extern int g;
+extern void bar (void);
+
+int
+foo (int x)
+{
+  int a, b, *c = (int *) 0;
+  for (a = 0; a < 10; ++a)
+    {
+      bar ();
+      for (b = 0; b < 5; ++b)
+	{
+	  x = 0;
+	  c = &x;
+	  g = 1;
+	}
+    }
+  *c = x;
+  for (x = 0; x != 10; x++)
+    ;
+  return g;
+}