1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-23.c b/gcc/testsuite/gcc.dg/uninit-23.c
new file mode 100644
index 0000000..b38e1d0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-23.c
@@ -0,0 +1,27 @@
+/* PR tree-optimization/78455 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wuninitialized" } */
+
+int ij;
+
+void
+ql (void)
+{
+  int m5 = 0;
+
+  for (;;)
+  {
+    if (0)
+      for (;;)
+      {
+        int *go;
+        int *t4 = go;
+
+ l1:
+        *t4 = (*t4 != 0) ? 0 : 2; /* { dg-warning "may be used uninitialized" } */
+      }
+
+    if (ij != 0)
+      goto l1;
+  }
+}