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Provide cabi_realloc on wasm32-wasip2 by default by alexcrichton · Pull Request...
source link: https://github.com/rust-lang/rust/pull/122411
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This commit provides a component model intrinsic in the standard library
by default on the wasm32-wasip2 target. This intrinsic is not
required by the component model itself but is quite common to use, for
example it's needed if a wasm module receives a string or a list.
The intention of this commit is to provide an overridable definition in
the standard library through a weak definition of this function. That
means that downstream crates can provide their own customized and more
specific versions if they'd like, but the standard library's version
should suffice for general-purpose use.
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