1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr38422.c b/gcc/testsuite/gcc.c-torture/execute/pr38422.c
new file mode 100644
index 000000000..e36879d7f
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr38422.c
@@ -0,0 +1,24 @@
+/* PR middle-end/38422 */
+
+extern void abort (void);
+
+struct S
+{
+  int s : (sizeof (int) * __CHAR_BIT__ - 2);
+} s;
+
+void
+foo (void)
+{
+  s.s *= 2;
+}
+
+int
+main ()
+{
+  s.s = 24;
+  foo ();
+  if (s.s != 48)
+    abort ();
+  return 0;
+}