1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr20991.C b/gcc/testsuite/g++.dg/opt/pr20991.C
new file mode 100644
index 000000000..32b3d05c3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr20991.C
@@ -0,0 +1,34 @@
+// PR middle-end/20991
+// { dg-options "-O2" }
+// { dg-do compile }
+
+struct S
+{
+  virtual inline int foo () const;
+  virtual inline bool bar () const;
+  virtual int baz (int) const;
+};
+
+inline int S::foo () const
+{
+  return 1;
+}
+
+inline bool S::bar () const
+{
+  return foo () == 0;
+}
+
+void A ()
+{
+  S s;
+  if (s.bar ())
+    s.foo ();
+}
+
+void B ()
+{
+  S s;
+  if (s.bar ())
+    s.foo ();
+}