1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr28778.c b/gcc/testsuite/gcc.c-torture/execute/pr28778.c
new file mode 100644
index 000000000..f96a66cd3
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr28778.c
@@ -0,0 +1,33 @@
+extern void abort(void);
+typedef long GLint;
+void aglChoosePixelFormat (const GLint *);
+
+void
+find (const int *alistp)
+{
+  const int *blist;
+  int list[32];
+  if (alistp)
+    blist = alistp;
+  else
+    {
+      list[3] = 42;
+      blist = list;
+    }
+  aglChoosePixelFormat ((GLint *) blist);
+}
+
+void
+aglChoosePixelFormat (const GLint * a)
+{
+  int *b = (int *) a;
+  if (b[3] != 42)
+    abort ();
+}
+
+int
+main (void)
+{
+  find (0);
+  return 0;
+}