1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/builtin-unreachable-1.C b/gcc/testsuite/g++.dg/other/builtin-unreachable-1.C
new file mode 100644
index 000000000..f6a557703
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/builtin-unreachable-1.C
@@ -0,0 +1,11 @@
+// PR c++/40445
+// Check that a function containing only __builtin_unreachable()
+// doesn't ICE.
+
+// { dg-do compile }
+// { dg-options "-O0" }
+const char *
+f (void)
+{
+  __builtin_unreachable ();
+}