[PATCH] Bug Fix: Disallow a variable template to be redeclared as a non-templated variable

[Larisse Voufo]

lvoufo added you to the CC list for the revision "Bug Fix: Disallow a variable template to be redeclared as a non-templated variable".

Hi rsmith,

Rejects the following program.

  template<typename T> T var = T(); 
  extern int var;

Incidentally, PCH serialization is also improved...

http://llvm-reviews.chandlerc.com/D1389

Files:
  include/clang/Sema/Sema.h
  lib/Sema/SemaDecl.cpp
  lib/Sema/SemaTemplateInstantiateDecl.cpp
  lib/Serialization/ASTReaderDecl.cpp
  lib/Serialization/ASTWriterDecl.cpp
  test/CXX/temp/temp.spec/cxx1y-variable-template-no-body.cpp
  test/CXX/temp/temp.spec/temp.expl.spec/examples.cpp
  test/PCH/cxx1y-variable-templates.cpp
  test/SemaCXX/cxx1y-variable-templates_top_level.cpp
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