[PATCH] Expose LambdaIntroducer::DefaultLoc in the AST's LambdaExpr.

[James Dennett]

jdennett added you to the CC list for the revision "Expose LambdaIntroducer::DefaultLoc in the AST's LambdaExpr.".

Source-centric tools need access to the location of a C++11
lambda expression's capture-default ('&' or '=') when it's present.
It's possible for them to find it by re-lexing and re-implementing
rules that Clang's parser has already applied, but the cost of storing
the SourceLocation and making it available to them is 32 bits per
LambdaExpr (a small delta, proportionally), and the simplification in
client code is significant.

http://llvm-reviews.chandlerc.com/D1192

Files:
  include/clang/Sema/ScopeInfo.h
  include/clang/Sema/Sema.h
  include/clang/AST/ExprCXX.h
  lib/Sema/SemaLambda.cpp
  lib/Sema/TreeTransform.h
  lib/AST/ExprCXX.cpp
  lib/Serialization/ASTReaderStmt.cpp
  lib/Serialization/ASTWriterStmt.cpp
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