1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/bcopy-1.c b/gcc/testsuite/gcc.c-torture/compile/bcopy-1.c
new file mode 100644
index 000000000..5d3a882c8
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/bcopy-1.c
@@ -0,0 +1,14 @@
+/* PR middle-end/31095, expand_builtin_memmove_args forgot to take into
+   account that tree folding of builtins can add an extra NOP_EXPR.   */
+
+struct timeval
+{
+  int tv_sec;
+  int tv_usec;
+};
+void
+capture_next_packet (void)
+{
+  struct timeval past, now, then;
+  __builtin_bcopy (&then, &past, sizeof (then));
+}