[Bug tree-optimization/98848] [9/10/11 regression] vectorizer failed to reduce max pattern.

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98848

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
With a bit adjustment of testcase, vectorized.
@@ -2,7 +2,7 @@ extern short a[9000];

 int foo()
 { 
-  int b;
+  short b;
   int i;
   b = a[0];