Add in the first iteration of support for llvm/clang/lldb to allow variable per address space pointer sizes to be optimized correctly.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165726 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 737f844..e263a44 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -2475,7 +2475,7 @@
     addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIBuilder::OpPlus));
     // offset of __forwarding field
     offset = CGM.getContext()
-                .toCharUnitsFromBits(target.getPointerSizeInBits());
+                .toCharUnitsFromBits(target.getPointerSizeInBits(0));
     addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity()));
     addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIBuilder::OpDeref));
     addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIBuilder::OpPlus));