[PATCH] D22997: [cxx1z-constexpr-lambda] Make conversion function constexpr, and teach the expression-evaluator to evaluate the static-invoker.

[Faisal Vali via cfe-commits]

faisalv created this revision.
faisalv added reviewers: rsmith, hubert.reinterpretcast, aaron.ballman, erik.pilkington.
faisalv added a subscriber: cfe-commits.
faisalv set the repository for this revision to rL LLVM.
faisalv added a project: clang-c.


This patch enables the following code:

  auto L = [](int i) { return i; };
  constexpr int (*fpi)(int) = L;
  static_assert(fpi(3) == 3);


Repository:
  rL LLVM

https://reviews.llvm.org/D22997

Files:
  lib/AST/ExprConstant.cpp
  lib/Sema/SemaLambda.cpp
  test/SemaCXX/cxx1z-constexpr-lambdas.cpp

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