Fixed #605: Treat temporary as lambda initializer.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.03%. Comparing base (d74bfb4) to head (f92aee6).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #618 +/- ## ======================================= Coverage 98.03% 98.03% ======================================= Files 20 20 Lines 4879 4887 +8 ======================================= + Hits 4783 4791 +8 Misses 96 96 ``` | [Flag](https://app.codecov.io/gh/andreasfertig/cppinsights/pull/618/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andreas+Fertig) | Coverage Δ | | |---|---|---| | [ubuntu](https://app.codecov.io/gh/andreasfertig/cppinsights/pull/618/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andreas+Fertig) | `97.97% <100.00%> (+<0.01%)` | :arrow_up: | | [ubuntu-libcxx](https://app.codecov.io/gh/andreasfertig/cppinsights/pull/618/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andreas+Fertig) | `98.03% <100.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andreas+Fertig#carryforward-flags-in-the-pull-request-comment) to find out more.

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