178       bool Invalid = false;  in commitInsertFromRange()  local
179       StringRef text = getSourceText(BeginOffs, B, Invalid);  in commitInsertFromRange()
180       if (Invalid)  in commitInsertFromRange()
189     bool Invalid = false;  in commitInsertFromRange()  local
190     StringRef text = getSourceText(BeginOffs, EndOffs, Invalid);  in commitInsertFromRange()
191     if (Invalid)  in commitInsertFromRange()
345   bool Invalid = false;  in adjustRemoval()  local
346   StringRef buffer = SM.getBufferData(offs.getFID(), &Invalid);  in adjustRemoval()
347   if (Invalid)  in adjustRemoval()
455                                       bool &Invalid) {  in getSourceText()  argument
464                               SourceMgr, LangOpts, &Invalid);  in getSourceText()