1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-23.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-23.c
new file mode 100644
index 000000000..fb4af2d48
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-23.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-ccp1" } */
+
+/* Make sure we propagate through POINTER_PLUS_EXPRs.  */
+
+struct A {
+  int i[2];
+} a;
+
+int foo (void)
+{
+  struct A *p = &a;
+  int *q = (int *)p;
+  int *x = q + 1;
+  return *x;
+}
+
+/* { dg-final { scan-tree-dump "MEM\\\[\\\(int \\\*\\\)&a \\\+ 4B\\\]" "ccp1" } } */
+/* { dg-final { cleanup-tree-dump "ccp1" } } */