Declare GlobalValue::LinkageTypes based on unsigned.

Or, "LinkageTypes Linkage : 4;" might be sign-extended on msc.

llvm-svn: 267335

diff --git a/llvm/include/llvm/IR/GlobalValue.h b/llvm/include/llvm/IR/GlobalValue.h
index 0d12fe8..25e5ba1 100644 (file)
--- a/llvm/include/llvm/IR/GlobalValue.h
+++ b/llvm/include/llvm/IR/GlobalValue.h
@@ -37,7 +37,7 @@ class GlobalValue : public Constant {
   GlobalValue(const GlobalValue &) = delete;
 public:
   /// @brief An enumeration for the kinds of linkage for global values.
-  enum LinkageTypes {
+  enum LinkageTypes : unsigned {
     ExternalLinkage = 0,///< Externally visible function
     AvailableExternallyLinkage, ///< Available for inspection, not emission.
     LinkOnceAnyLinkage, ///< Keep one copy of function when linking (inline)