Check in the long promised SourceLocation rewrite.  This lays the
ground work for implementing #line, and fixes the "out of macro ID's" 
problem.

There is nothing particularly tricky about the code, other than the
very performance sensitive SourceManager::getFileID() method.

llvm-svn: 62978
diff --git a/clang/lib/Rewrite/HTMLRewrite.cpp b/clang/lib/Rewrite/HTMLRewrite.cpp
index 0401466..b5f0fc3 100644
--- a/clang/lib/Rewrite/HTMLRewrite.cpp
+++ b/clang/lib/Rewrite/HTMLRewrite.cpp
@@ -441,8 +441,7 @@
     
     // Ignore tokens whose instantiation location was not the main file.
     SourceLocation LLoc = SourceMgr.getInstantiationLoc(Tok.getLocation());
-    std::pair<FileID, unsigned> LLocInfo = 
-      SourceMgr.getDecomposedFileLoc(LLoc);
+    std::pair<FileID, unsigned> LLocInfo = SourceMgr.getDecomposedLoc(LLoc);
     
     if (LLocInfo.first != FID) {
       PP.Lex(Tok);