1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr42963.c b/gcc/testsuite/gcc.dg/pr42963.c
new file mode 100644
index 000000000..8664b0d84
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr42963.c
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-cfg" } */
+extern void foo (void);
+extern int i;
+void
+bar (void)
+{
+  switch (i)
+    {
+    case 0:
+      foo ();
+      break;
+    case 1:
+      break;
+    }
+
+
+  switch (i)
+    {
+    case 0:
+      foo ();
+      break;
+    case 1:
+      break;
+    }
+}
+/* { dg-final { scan-tree-dump-times "case 1:" 0 "cfg" } } */
+/* { dg-final { cleanup-tree-dump "cfg" } } */