lib/AST/RawCommentList.cpp

73   bool Invalid = false;
74   unsigned C1 = SM.getPresumedColumnNumber(L1, &Invalid);
75   if (!Invalid) {
76     unsigned C2 = SM.getPresumedColumnNumber(L2, &Invalid);
77     return !Invalid && (C1 == C2);
131       bool Invalid = false;
133           SourceMgr.getBufferData(BeginFileID, &Invalid).data();
135           (!Invalid && !onlyWhitespaceOnLineBefore(Buffer, BeginOffset));
169   bool Invalid = false;
171                                                     &Invalid).data();
172   if (Invalid)
235   bool Invalid = false;
236   const char *Buffer = SM.getBufferData(Loc1Info.first, &Invalid).data();
237   if (Invalid)