vendor/lldb/lldb-trunk-r256945

1 files changed, 31 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/functionalities/longjmp/main.c b/packages/Python/lldbsuite/test/functionalities/longjmp/main.c
new file mode 100644
index 0000000000000..3879311eb4527
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/longjmp/main.c
@@ -0,0 +1,31 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include <setjmp.h>
+#include <stdio.h>
+#include <time.h>
+
+jmp_buf j;
+
+void do_jump(void)
+{
+    // We can't let the compiler know this will always happen or it might make
+    // optimizations that break our test.
+    if (!clock())
+        longjmp(j, 1); // non-local goto
+}
+
+int main (void)
+{
+    if (setjmp(j) == 0)
+        do_jump();
+    else
+        return 0; // destination of longjmp
+
+    return 1;
+}