[llvm] 8975aa6 - [BFI] Use CallbackVH to notify BFI about deletion of basic blocks

[Joerg Sonnenberger via llvm-commits]

On Thu, Mar 05, 2020 at 03:55:49AM -0800, Daniil Suchkov via llvm-commits wrote:
> 
> Author: Daniil Suchkov
> Date: 2020-03-05T18:55:07+07:00
> New Revision: 8975aa6ea8172963d6532caa8ed2a6f6e0074a02
> 
> URL: https://github.com/llvm/llvm-project/commit/8975aa6ea8172963d6532caa8ed2a6f6e0074a02
> DIFF: https://github.com/llvm/llvm-project/commit/8975aa6ea8172963d6532caa8ed2a6f6e0074a02.diff
> 
> LOG: [BFI] Use CallbackVH to notify BFI about deletion of basic blocks

warning: 'llvm::BlockFrequencyInfoImpl<llvm::BasicBlock>::BFICallbackVH' has virtual functions but non-virtual destructor [-Wnon-virtual-dtor]

Please fix.

Joerg