Reland 4: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@296895 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/MemRegion.cpp b/test/Analysis/MemRegion.cpp
index 992b7f1..b8f079a 100644
--- a/test/Analysis/MemRegion.cpp
+++ b/test/Analysis/MemRegion.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=optin.mpi.MPI-Checker -verify %s
+// RUN: %clang_analyze_cc1 -analyzer-checker=optin.mpi.MPI-Checker -verify %s
 
 #include "MPIMock.h"