Register MCAsmInfo.

The upstream adds new registry LLVMInitial{Target}MCAsmInfo().
We need to register it first before invoking createMCAsmInfo().

Change-Id: I4e8098380d5ac6eb878614a0603599715447c81f
diff --git a/lib/ExecutionEngine/Compiler.cpp b/lib/ExecutionEngine/Compiler.cpp
index 2336a01..98a35b3 100644
--- a/lib/ExecutionEngine/Compiler.cpp
+++ b/lib/ExecutionEngine/Compiler.cpp
@@ -138,11 +138,13 @@
   Features.push_back("-vmlx");
 
 #if defined(DEFAULT_ARM_CODEGEN) || defined(PROVIDE_ARM_CODEGEN)
+  LLVMInitializeARMMCAsmInfo();
   LLVMInitializeARMTargetInfo();
   LLVMInitializeARMTarget();
 #endif
 
 #if defined(DEFAULT_X86_CODEGEN) || defined(PROVIDE_X86_CODEGEN)
+  LLVMInitializeX86MCAsmInfo();
   LLVMInitializeX86TargetInfo();
   LLVMInitializeX86Target();
 #endif