add -disable-debug-info-verifier to 3 test to fix tests with pipefail.

llvm-svn: 187064
diff --git a/llvm/test/Transforms/LoopIdiom/debug-line.ll b/llvm/test/Transforms/LoopIdiom/debug-line.ll
index d31662d..e705fb4 100644
--- a/llvm/test/Transforms/LoopIdiom/debug-line.ll
+++ b/llvm/test/Transforms/LoopIdiom/debug-line.ll
@@ -1,4 +1,4 @@
-; RUN: opt -loop-idiom < %s -S | FileCheck %s
+; RUN: opt -loop-idiom -disable-debug-info-verifier < %s -S | FileCheck %s
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-apple-darwin10.0.0"