1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr37289.c b/gcc/testsuite/gcc.dg/pr37289.c
new file mode 100644
index 000000000..61513c94e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr37289.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-fdump-tree-original" } */
+
+void f(unsigned long x);
+
+void g(long x)
+{
+  f((unsigned long)(-1-x)+1);
+}
+
+/* Make sure we do not lose the conversion.  */
+
+/* { dg-final { scan-tree-dump "-\\\(long unsigned int\\\) x" "original" } } */
+/* { dg-final { cleanup-tree-dump "original" } } */