1 files changed, 58 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/inline-frame-cycle-unwind.c b/gdb/testsuite/gdb.base/inline-frame-cycle-unwind.c
new file mode 100644
index 0000000..183c409
--- /dev/null
+++ b/gdb/testsuite/gdb.base/inline-frame-cycle-unwind.c
@@ -0,0 +1,58 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2021 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+static void inline_func (void);
+static void normal_func (void);
+
+volatile int global_var;
+volatile int level_counter;
+
+static void __attribute__((noinline))
+normal_func (void)
+{
+  /* Do some work.  */
+  ++global_var;
+
+  /* Now the inline function.  */
+  --level_counter;
+  inline_func ();
+  ++level_counter;
+
+  /* Do some work.  */
+  ++global_var;
+}
+
+static inline void __attribute__((__always_inline__))
+inline_func (void)
+{
+  if (level_counter > 1)
+    {
+      --level_counter;
+      normal_func ();
+      ++level_counter;
+    }
+  else
+    ++global_var;	/* Break here.  */
+}
+
+int
+main ()
+{
+  level_counter = 6;
+  normal_func ();
+  return 0;
+}