[clang-tidy] Fix PR32896, PR33058: detect initializer lists in modernize-use-empalce
Summary:
The patch is backported from: r302281 to fix the 4.0.1 release blocker PR33058.
This patch fixes [[ https://bugs.llvm.org/show_bug.cgi?id=32896 | PR32896 ]].
The problem was that modernize-use-emplace incorrectly removed changed push_back into emplace_back, removing explicit constructor call with initializer list parameter, resulting in compiler error after applying fixits.
modernize-use-emplace used to check if matched constructor had InitListExpr, but didn't check against CXXStdInitializerListExpr.
Eg.
```
std::vector<std::vector<int>> v;
v.push_back(std::vector<int>({1})); // --> v.emplace_back({1});
```
Reviewers: Prazek, alexfh, aaron.ballman
Reviewed By: Prazek, alexfh, aaron.ballman
Subscribers: xazax.hun, cfe-commits
Tags: #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D32767
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/branches/release_40@303524 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed
