Auto merge of #117307 - taiki-e:espidf-atomic-64, r=Amanieu

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Set max_atomic_width for riscv32*-esp-espidf to 32

Fixes #117305

> Since riscv32 does not have 64-bit atomic instructions, I do not believe there is any way to fix this problem other than setting max_atomic_width of these targets to 32.

This is a breaking change because Atomic\*64 will become unavailable, but all affected targets are tier 3, and the current Atomic*64 violates the standard library's API contract and can cause problems with code that rely on the standard library's atomic types being lock-free.

r? `@Amanieu`
cc `@ivmarkov` `@MabezDev`

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bors 2023-11-01 16:39:22 +00:00

parent 9d13294ba0 99dcddf35a

commit 898f18c41b

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