[COMMITTED][AArch64] PR81643: Fix longbranch test

[Wilco Dijkstra]

Fix longbranch test so it still generates long tbz branches.

Committed as obvious.

ChangeLog:
2017-08-14  Wilco Dijkstra  <wdijk...@arm.com>

    gcc/testsuite/
        PR target/81643
        * gcc.target/aarch64/long_branch_1.c: Improve testcase.
--

diff --git a/gcc/testsuite/gcc.target/aarch64/long_branch_1.c 
b/gcc/testsuite/gcc.target/aarch64/long_branch_1.c
index 
46f500d36a2d9ff04f71ae0bcc7c47e3d0b92c1b..49d8b6a2278ad3d5b21d0ac1f523492c03982176
 100644
--- a/gcc/testsuite/gcc.target/aarch64/long_branch_1.c
+++ b/gcc/testsuite/gcc.target/aarch64/long_branch_1.c
@@ -54,10 +54,6 @@ test_and_branch (int selector, int addend, int cond)
     {
 start0:
       return sum - 1;
-start1:
-      return sum + 1;
-start2:
-      return sum;
 start3:
       return sum - 2;
     }
@@ -65,6 +61,8 @@ start3:
     {
       switch (selector)
        {
+start1:
+start2:
          CASE_ENTRY128 (1)
          CASE_ENTRY64 (129)
          CASE_ENTRY16 (193)