[all-commits] [llvm/llvm-project] b5a9ad: [clang] Create alloca to pass into static lambda

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b5a9adf1f533c6403d780bb127bda4b53f7dc7ed
      https://github.com/llvm/llvm-project/commit/b5a9adf1f533c6403d780bb127bda4b53f7dc7ed
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2022-08-23 (Tue, 23 Aug 2022)

  Changed paths:
    M clang/lib/CodeGen/CGClass.cpp
    M clang/test/CodeGenCXX/lambda-to-function-pointer-conversion.cpp

  Log Message:
  -----------
  [clang] Create alloca to pass into static lambda

"this" parameter of lambda if undef, notnull and differentiable.
So we need to pass something consistent.

Any alloca will work. It will be eliminated as unused later by optimizer.

Otherwise we generate code which Msan is expected to catch.

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D132275