[clang] [alpha.webkit.UncountedCallArgsChecker] Allow ArrayInitLoopExpr and OpaqueValueExpr in trivial expressions (PR #127182)

[Rashmi Mudduluru via cfe-commits]

https://github.com/t-rasmud approved this pull request.

I have a small nit about tests. Otherwise, LGTM.

https://github.com/llvm/llvm-project/pull/127182