[clang-format] De-pessimize appending newlines. NFC.
authorMarek Kurdej <marek.kurdej+llvm.org@gmail.com>
Tue, 1 Feb 2022 13:10:19 +0000 (14:10 +0100)
committerMarek Kurdej <marek.kurdej+llvm.org@gmail.com>
Tue, 1 Feb 2022 13:10:48 +0000 (14:10 +0100)
commit34b4f00686ffa030fb0fed3bdd24b5e8588dae89
tree495de0ec319520f82edeb64616d6d1927990c665
parent545317cb8eb96947ae20b432525f5667f816df49
[clang-format] De-pessimize appending newlines. NFC.

* Avoid repeatedly calling std::string::append(char) in a loop.
* Reserve before calling std::string::append(const char *) in a loop.
clang/lib/Format/WhitespaceManager.cpp