1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c b/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c
new file mode 100644
index 000000000..08916e4e5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c
@@ -0,0 +1,32 @@
+/* PR middle-end/23848 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+void bar1 (char *, int);
+void foo1 (int size)
+{
+  char temp[size];
+  temp[size-1] = '\0';
+  bar1 (temp, size);
+}
+
+void bar2 (char *, char *, char *, char *, int);
+void foo2 (int size)
+{
+  char temp[size];
+  temp[size-1] = '\0';
+  {
+    char temp2[size];
+    {
+      char temp3[size];
+      {
+	char temp4[size];
+	bar2 (temp, temp2, temp3, temp4, size);
+      }
+    }
+  }
+}
+
+/* { dg-final { scan-tree-dump-not "__builtin_stack_save" "optimized"} } */
+/* { dg-final { scan-tree-dump-not "__builtin_stack_restore" "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */