1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20041112-1.c b/gcc/testsuite/gcc.c-torture/execute/20041112-1.c
new file mode 100644
index 000000000..0c6251ca3
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20041112-1.c
@@ -0,0 +1,40 @@
+/* This was failing on Alpha because the comparison (p != -1) was rewritten
+   as (p+1 != 0) and p+1 isn't allowed to wrap for pointers.  */
+
+extern void abort(void);
+
+typedef __SIZE_TYPE__ size_t;
+
+int global;
+
+static void *foo(int p)
+{
+  if (p == 0)
+   {
+      global++;
+      return &global;
+   }
+
+  return (void *)(size_t)-1;
+}
+
+int bar(void)
+{
+  void *p;
+
+  p = foo(global);
+  if (p != (void *)(size_t)-1)
+    return 1;
+
+  global++;
+  return 0;
+}
+
+int main(void)
+{
+  global = 1;
+  if (bar () != 0)
+    abort();
+  
+  return 0;
+}