Constified a predicate method.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44943 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/SourceLocation.h b/include/clang/Basic/SourceLocation.h
index 145d590046502480a5203c6ed545d63b8046ddbe..67fb4ac6b75f13e59a8a774f9365f6ede076bc86 100644 (file)
--- a/include/clang/Basic/SourceLocation.h
+++ b/include/clang/Basic/SourceLocation.h
@@ -214,7 +214,7 @@ public:
   explicit FullContextSourceLocation(SourceLocation loc, SourceManager& smgr) 
     : Loc(loc), SrcMgr(&smgr) {}
   
-  bool isValid() { return Loc.isValid(); }
+  bool isValid() const { return Loc.isValid(); }
   
   SourceLocation getSourceLocation() const { return Loc; }
   operator SourceLocation() const { return Loc; }