1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/20121105-1.C b/gcc/testsuite/g++.dg/torture/20121105-1.C
new file mode 100644
index 00000000000..03323421a5e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/20121105-1.C
@@ -0,0 +1,42 @@
+// PR tree-optimization/54986
+// Reported by Remi Vanicat <vanicat@debian.org>
+// Reduced testcase by Markus Trippelsdorf <markus@trippelsdorf.de> 
+
+struct A;
+struct B
+{
+  int *_ptr;
+  bool operator==(B *p1)
+  {
+    return p1->_ptr;
+  }
+};
+struct C {
+  A* ref_SYMBptr();
+};
+struct A
+{
+  B sommet;
+};
+typedef C *gen_op_context;
+struct D
+{
+  D(gen_op_context) {}
+};
+
+D c(0);
+const long d = (long)&c;
+B *const   e = (B *)&d;
+
+static bool
+fn1(C& p1)
+{
+  return p1.ref_SYMBptr()->sommet == e;
+}
+
+void
+fn2()
+{
+  C b;
+  fn1(b);
+}