Make LLVMContext's pImpl member const.

llvm-svn: 83393

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/include/llvm/LLVMContext.h b/llvm/include/llvm/LLVMContext.h
index 42b4ea69b93..a135f671b77 100644
--- a/llvm/include/llvm/LLVMContext.h
+++ b/llvm/include/llvm/LLVMContext.h
@@ -19,6 +19,7 @@ namespace llvm {
 
 class LLVMContextImpl;
 class MetadataContext;
+
 /// This is an important class for using LLVM in a threaded context.  It
 /// (opaquely) owns and manages the core "global" data of LLVM's core 
 /// infrastructure, including the type and constant uniquing tables.
@@ -28,8 +29,9 @@ class LLVMContext {
   // DO NOT IMPLEMENT
   LLVMContext(LLVMContext&);
   void operator=(LLVMContext&);
+
 public:
-  LLVMContextImpl* pImpl;
+  LLVMContextImpl* const pImpl;
   MetadataContext &getMetadata();
   bool RemoveDeadMetadata();
   LLVMContext();