Fix PR4772 ARM JIT.GlobalInFuction unittest by explicitly initialize MMI 
to 0 during JITEmitter constructor.

Modified:
	lib/ExecutionEngine/JIT/JITEmitter.cpp



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79982 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/JITEmitter.cpp b/lib/ExecutionEngine/JIT/JITEmitter.cpp
index 5ed6145..e179960 100644
--- a/lib/ExecutionEngine/JIT/JITEmitter.cpp
+++ b/lib/ExecutionEngine/JIT/JITEmitter.cpp
@@ -505,7 +505,7 @@
 
   public:
     JITEmitter(JIT &jit, JITMemoryManager *JMM)
-        : SizeEstimate(0), Resolver(jit), CurFn(0) {
+        : SizeEstimate(0), Resolver(jit), MMI(0), CurFn(0) {
       MemMgr = JMM ? JMM : JITMemoryManager::CreateDefaultMemManager();
       if (jit.getJITInfo().needsGOT()) {
         MemMgr->AllocateGOT();