[all-commits] [llvm/llvm-project] 89ecb8: MapVector: add C++17-style try_emplace and insert_...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 89ecb8001afc38c2225f1fe7ab0d5fb729f25537
      https://github.com/llvm/llvm-project/commit/89ecb8001afc38c2225f1fe7ab0d5fb729f25537
  Author: Fangrui Song <i at maskray.me>
  Date:   2023-11-12 (Sun, 12 Nov 2023)

  Changed paths:
    M llvm/include/llvm/ADT/MapVector.h
    M llvm/unittests/ADT/MapVectorTest.cpp

  Log Message:
  -----------
  MapVector: add C++17-style try_emplace and insert_or_assign (#71969)

Similar to https://wg21.link/n4279

For example, insert_or_assign can be used to simplify
CodeGenModule::AddDeferredUnusedCoverageMapping in
clang/lib/CodeGen/CodeGenModule.cpp