1 files changed, 29 insertions, 0 deletions
diff --git a/SingleSource/Regression/C/gcc-c-torture/execute/pr55750.c b/SingleSource/Regression/C/gcc-c-torture/execute/pr55750.c
new file mode 100644
index 00000000..d2b3c63c
--- /dev/null
+++ b/SingleSource/Regression/C/gcc-c-torture/execute/pr55750.c
@@ -0,0 +1,29 @@
+/* PR middle-end/55750 */
+
+extern void abort (void);
+
+struct S
+{
+  int m : 1;
+  int n : 7;
+} arr[2];
+
+__attribute__((noinline, noclone)) void
+foo (unsigned i)
+{
+  arr[i].n++;
+}
+
+int
+main ()
+{
+  arr[0].m = -1;
+  arr[0].n = (1 << 6) - 1;
+  arr[1].m = 0;
+  arr[1].n = -1;
+  foo (0);
+  foo (1);
+  if (arr[0].m != -1 || arr[0].n != -(1 << 6) || arr[1].m != 0 || arr[1].n != 0)
+    abort ();
+  return 0;
+}