RFR: 8316930: HotSpot should use noexcept instead of throw() [v4]

[Julian Waters]

On Sun, 21 Jan 2024 07:19:18 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> throw() has been deprecated since C++11 alongside dynamic exception specifications, we should replace all instances of it with noexcept to prepare HotSpot for later versions of C++
>
> Julian Waters has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 13 commits:
> 
>  - Merge branch 'openjdk:master' into noexcept
>  - Typo in GensrcAdlc.gmk
>  - Merge branch 'openjdk:master' into noexcept
>  - Merge branch 'master' into noexcept
>  - ic in compiledIC.hpp
>  - Revert compiledIC.cpp
>  - Revert compiledIC.hpp
>  - Partially Revert parse.hpp
>  - Merge branch 'master' into noexcept
>  - Merge branch 'master' into noexcept
>  - ... and 3 more: https://git.openjdk.org/jdk/compare/a474b372...0d2fe966

src/hotspot/share/c1/c1_Instruction.hpp line 337:

> 335: 
> 336:  public:
> 337:   void* operator new(size_t size) noexcept {

Should the noexcept specifiers on both operator new in this file be removed? They both call Amalloc with the default parameter of EXIT_OOM, which means they both crash instead of returning nullptr when failing to allocate memory

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/15910#discussion_r1475733432