1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-2.c b/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-2.c
new file mode 100644
index 000000000..878352d26
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-2.c
@@ -0,0 +1,38 @@
+/* { dg-do run } */
+/* { dg-options "-O -fdump-tree-alias-details" } */
+
+int *i;
+void __attribute__((noinline))
+foo (void)
+{
+  *i = 1;
+}
+int __attribute__((noinline))
+bar(int local_p, int **q)
+{
+  int x = 0;
+  int *j;
+  int **p;
+  if (local_p)
+    p = &j;
+  else
+    p = q;
+  *p = &x;  /* This makes x escape.  */
+  foo ();
+  return x;
+}
+extern void abort (void);
+int main()
+{
+  int k = 2;
+  int **q = &i;
+  i = &k;
+  if (bar (1, q) != 0 || k != 1)
+    abort ();
+  if (bar (0, q) != 1)
+    abort ();
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump "ESCAPED, points-to non-local, points-to NULL, points-to vars: { x }" "alias" } } */
+/* { dg-final { cleanup-tree-dump "alias" } } */