SuccessChanges

Summary

  1. Revert "[DebugInfo] Support to emit debugInfo for extern variables" (details)
Commit 891e25b02d760d0de18c7d46947913b3166047e7 by rnk
Revert "[DebugInfo] Support to emit debugInfo for extern variables"
This reverts commit d77ae1552fc21a9f3877f3ed7e13d631f517c825.
The tests committed along with this change do not pass, and should be
changed to use %clang_cc1.
The file was removedclang/test/CodeGen/debug-info-extern-multi.c
The file was modifiedllvm/include/llvm/IR/DIBuilder.h
The file was modifiedclang/lib/Basic/Targets/BPF.h
The file was modifiedclang/lib/CodeGen/CGDebugInfo.h
The file was modifiedllvm/lib/IR/DebugInfo.cpp
The file was modifiedclang/lib/Sema/SemaDecl.cpp
The file was modifiedllvm/unittests/Transforms/Utils/CloningTest.cpp
The file was modifiedclang/lib/Sema/Sema.cpp
The file was removedclang/test/CodeGen/debug-info-extern-basic.c
The file was modifiedclang/lib/CodeGen/CodeGenModule.cpp
The file was modifiedclang/lib/CodeGen/CodeGenAction.cpp
The file was modifiedclang/include/clang/Basic/TargetInfo.h
The file was removedclang/test/CodeGen/debug-info-extern-duplicate.c
The file was removedclang/test/CodeGen/debug-info-extern-unused.c
The file was modifiedclang/include/clang/AST/ASTConsumer.h
The file was modifiedclang/include/clang/Sema/Sema.h
The file was modifiedclang/lib/CodeGen/CodeGenModule.h
The file was modifiedclang/lib/CodeGen/ModuleBuilder.cpp
The file was modifiedclang/lib/CodeGen/CGDebugInfo.cpp
The file was modifiedllvm/lib/IR/DIBuilder.cpp