[clang-tidy] Fix bugprone-argument-comment bug: negative literal number is not checked.
Summary:
For example:
```
void foo(int a);
foo(-2);
```
should be fixed as:
```
foo(/*a=*/-2);
```
This change tries to fix this issue.
Reviewers: alexfh, hokein, aaron.ballman
Reviewed By: alexfh, aaron.ballman
Subscribers: xazax.hun, cfe-commits
Tags: #clang, #clang-tools-extra
Patch by Yubo Xie.
Differential Revision: https://reviews.llvm.org/D67084
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@371072 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed
