1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr33666.c b/gcc/testsuite/gcc.dg/pr33666.c
new file mode 100644
index 000000000..1f27b136d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr33666.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options { -std=c99 } } */
+
+/* This used to fail with type-checking enabled because we stripped
+   the inner conversion to unsigned int.  */
+
+void __lock_get_list(void *dp)
+{
+  if (((__SIZE_TYPE__)dp + 1) & ~1ULL)
+    ;
+}