1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr40692.c b/gcc/testsuite/gcc.c-torture/compile/pr40692.c
new file mode 100644
index 000000000..567516e69
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr40692.c
@@ -0,0 +1,15 @@
+/* PR middle-end/40692 */
+
+#define M1(x) (((x) & 0x00000002) ? 0x2 : ((x) & 0x1))
+#define M2(x) (((x) & 0x0000000c) ? M1 ((x) >> 2) << 2 : M1 (x))
+#define M3(x) (((x) & 0x000000f0) ? M2 ((x) >> 4) << 4 : M2 (x))
+#define M4(x) (((x) & 0x0000ff00) ? M3 ((x) >> 8) << 8 : M3 (x))
+#define M5(x) (((x) & 0xffff0000) ? M4 ((x) >> 16) << 16 : M4 (x))
+
+struct A { char e; char f; };
+
+long
+foo (void)
+{
+  return M5 (4096UL - (long) &((struct A *) 0)->f);
+}