Update for LLVM API change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75869 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index def46c2..bb18a99 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -2126,7 +2126,7 @@
 int main(int argc, char **argv) {
   llvm::sys::PrintStackTraceOnErrorSignal();
   llvm::PrettyStackTraceProgram X(argc, argv);
-  llvm::LLVMContext Context;
+  llvm::LLVMContext &Context = llvm::getGlobalContext();
   llvm::cl::ParseCommandLineOptions(argc, argv,
                               "LLVM 'Clang' Compiler: http://clang.llvm.org\n");