Force opt to use new pass manager in exponential-deferred-inlining test after a8c2ba1

Author: vmaksimo

llvm/test/Transforms/Inline/exponential-deferred-inlining.ll

@@ -1,5 +1,8 @@
+; TODO: remove -enable-new-pm from RUN-line once we move to new pass manager
+; by default. This test was designed to test NewPM only.
+
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -inline < %s | FileCheck %s
+; RUN: opt -S -inline -enable-new-pm < %s | FileCheck %s
 
 declare void @foo()