1 files changed, 3 insertions, 2 deletions
diff --git a/include/llvm/Target/TargetData.h b/include/llvm/Target/TargetData.h
index b663d4792b..e1d052edbe 100644
--- a/include/llvm/Target/TargetData.h
+++ b/include/llvm/Target/TargetData.h
@@ -30,6 +30,7 @@ class Type;
 class IntegerType;
 class StructType;
 class StructLayout;
+class StructLayoutMap;
 class GlobalVariable;
 class LLVMContext;
 
@@ -84,8 +85,8 @@ private:
   /// type and bit width were not found in the SmallVector.
   static const TargetAlignElem InvalidAlignmentElem;
 
-  // Opaque pointer for the StructType -> StructLayout map.
-  mutable void *LayoutMap;
+  // The StructType -> StructLayout map.
+  mutable StructLayoutMap *LayoutMap;
 
   //! Set/initialize target alignments
   void setAlignment(AlignTypeEnum align_type, unsigned char abi_align,