[cfe-dev] Unused variable in lib/AST/Expr.cpp -- a bug?

Dmitri Gribenko gribozavr at gmail.com
Mon Jun 11 17:24:23 PDT 2012


I have found an unused variable (see below).  I am not familiar with
this code and I am not sure that removing it is the correct fix.

Index: lib/AST/Expr.cpp
--- lib/AST/Expr.cpp	(revision 158328)
+++ lib/AST/Expr.cpp	(working copy)
@@ -702,11 +702,6 @@

     const char *StrData = Buffer.data()+LocInfo.second;

-    // Create a langops struct and enable trigraphs.  This is sufficient for
-    // relexing tokens.
-    LangOptions LangOpts;
-    LangOpts.Trigraphs = true;
     // Create a lexer starting at the beginning of this token.
     Lexer TheLexer(SM.getLocForStartOfFile(LocInfo.first), Features,
                    Buffer.begin(), StrData, Buffer.end());


(j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
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