[committed] Fix typo in last change

[Jeff Law]

Tester started complaining about this change as soon as it went in. 
Clearly there's an extraneous "short" in the testcase.

Pushed to the trunk.

Jeff
commit 66d82874d2254bcb0124f77e6be220d299eab5f1
Author: Jeff Law <j...@ventanamicro.com>
Date:   Sun Jan 7 09:52:44 2024 -0700

    Fix typo in last change
    
    gcc/testsuite
            * gcc.dg/tree-ssa/phi-opt-25b.c: Remove extraneous "short".

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-25b.c 
b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-25b.c
index 2cb4361dc00..5d557360ab3 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-25b.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-25b.c
@@ -5,7 +5,7 @@
 /* Test to make sure unrelated arguments and comparisons
    don't get optimized incorrectly. */
 
-__UINT16_TYPE__ short test_bswap16(__UINT16_TYPE__ x, __UINT16_TYPE__ y)
+__UINT16_TYPE__ test_bswap16(__UINT16_TYPE__ x, __UINT16_TYPE__ y)
 {
   return x ? __builtin_bswap16(y) : 0;
 }