Hold the LLVMContext by reference instead of by pointer.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74642 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/Backend.cpp b/lib/Frontend/Backend.cpp
index dc84cd8..6b7f9ae 100644
--- a/lib/Frontend/Backend.cpp
+++ b/lib/Frontend/Backend.cpp
@@ -76,7 +76,7 @@
     BackendConsumer(BackendAction action, Diagnostic &Diags, 
                     const LangOptions &langopts, const CompileOptions &compopts,
                     const std::string &infile, llvm::raw_ostream* OS,
-                    LLVMContext* C) :
+                    const LLVMContext& C) :
       Action(action), 
       CompileOpts(compopts),
       AsmOutStream(OS), 
@@ -361,7 +361,7 @@
                                           const CompileOptions &CompileOpts,
                                           const std::string& InFile,
                                           llvm::raw_ostream* OS,
-                                          LLVMContext* C) {
+                                          const LLVMContext& C) {
   return new BackendConsumer(Action, Diags, LangOpts, CompileOpts,
                              InFile, OS, C);
 }