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[clang][AArch64][FMV] Stop emitting alias to ifunc. #96221

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Jun 24, 2024
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[clang][AArch64][FMV] Stop emitting alias to ifunc. #96221

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4b88466
[clang][AArch64][FMV] Stop emitting alias to ifunc.
labrinea Jun 20, 2024
aff54a4
[clang[AArch64][FMV] Release notes for ABI breaking removal of alias.
labrinea Jun 21, 2024
47fc8c4
Merge branch 'main' into remove-ifunc-alias
labrinea Jun 21, 2024
68e093e
Merge branch 'main' into remove-ifunc-alias
labrinea Jun 24, 2024
2afcc82
Merge branch 'main' into remove-ifunc-alias
labrinea Jun 24, 2024
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[clang[AArch64][FMV] Release notes for ABI breaking removal of alias. 
We removed the global alias that was pointing to AArch64 Function
Multiversioning ifuncs because it interacts badly with GlobalOpt.
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labrinea committed Jun 21, 2024
commit aff54a4279f99076de9e3083d762ed9439389d02
5 changes: 5 additions & 0 deletions clang/docs/ReleaseNotes.rst
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Expand Up @@ -95,6 +95,11 @@ ABI Changes in This Version
- Fixed Microsoft calling convention when returning classes that have a deleted
copy assignment operator. Such a class should be returned indirectly.

- Removed the global alias that was pointing to AArch64 Function Multiversioning
ifuncs. Its purpose was to preserve backwards compatibility when the ".ifunc"
suffix got removed from the name mangling. The alias interacts badly with
GlobalOpt (see the issue #96197).

AST Dumping Potentially Breaking Changes
----------------------------------------

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