[PATCH] D12312: Emiting invariant.group.barrier and adding -fstrict-vptrs

[Piotr Padlewski via cfe-commits]

Prazek created this revision.
Prazek added reviewers: rsmith, rjmccall, majnemer, nlewycky.
Prazek added a subscriber: cfe-commits.

Keep in mind, that I will not push it untill I will update GVN for using !invariant.group metadata

http://reviews.llvm.org/D12312

Files:
  include/clang/Driver/Options.td
  include/clang/Frontend/CodeGenOptions.def
  lib/CodeGen/CGClass.cpp
  lib/CodeGen/CGExprCXX.cpp
  lib/Driver/Tools.cpp
  lib/Frontend/CompilerInvocation.cpp
  test/CodeGenCXX/virtual-base-ctor.cpp

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