Convert the uses of '|&' to use '2>&1 |' instead, which works on old
versions of Bash. In addition, I can back out the change to the lit
built-in shell test runner to support this.

This should fix the majority of fallout on Darwin, but I suspect there
will be a few straggling issues.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159544 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll b/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll
index c98241e..06a804c 100644
--- a/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll
+++ b/test/Analysis/BasicAA/2006-03-03-BadArraySubscript.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -basicaa -aa-eval -disable-output |& FileCheck %s
+; RUN: opt < %s -basicaa -aa-eval -disable-output 2>&1 | FileCheck %s
 ; TEST that A[1][0] may alias A[0][i].
 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"