r200719 - Fix a -Wmicrosoft warning about an unrepresentable enum value

[Reid Kleckner]

Author: rnk
Date: Mon Feb  3 16:20:34 2014
New Revision: 200719

URL: http://llvm.org/viewvc/llvm-project?rev=200719&view=rev
Log:
Fix a -Wmicrosoft warning about an unrepresentable enum value

In MSVC, enums are always signed unless you explicitly specify the type.

Modified:
    cfe/trunk/lib/Sema/SemaAttr.cpp

Modified: cfe/trunk/lib/Sema/SemaAttr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaAttr.cpp?rev=200719&r1=200718&r2=200719&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaAttr.cpp (original)
+++ cfe/trunk/lib/Sema/SemaAttr.cpp Mon Feb  3 16:20:34 2014
@@ -327,7 +327,7 @@ void Sema::AddCFAuditedAttribute(Decl *D
 }
 
 typedef std::vector<std::pair<unsigned, SourceLocation> > VisStack;
-enum { NoVisibility = (unsigned) -1 };
+enum LLVM_ENUM_INT_TYPE(unsigned) { NoVisibility = ~0U };
 
 void Sema::AddPushedVisibilityAttribute(Decl *D) {
   if (!VisContext)