1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr24117.c b/gcc/testsuite/gcc.dg/tree-ssa/pr24117.c
new file mode 100644
index 000000000..ffa5dd04c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr24117.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+typedef struct  {
+  int x;
+  int z;
+} Foo_t;
+
+char *xm;
+void bar(void);
+
+void foo(void)
+{
+  Foo_t x;
+  x.x = 1;
+  x.z = 2;
+  xm = (char *)&x;
+  bar();
+  /* We can't propagate x.z past bar, so this link_error should still be there.  */
+  if (x.z != 2)
+    link_error ();
+}
+/* { dg-final { scan-tree-dump-times "link_error" 1 "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */