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Remove the Flags type from Config API (#769)

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* Remove the `Flags` type from `Config` API

This commit removes the final foreign type from the `Config` API in the
`wasmtime` crate. The cranelift `Flags` type is now expanded into
various options on the `Config` structure itself, all prefixed with
`cranelift_` since they're only relevant to the Cranelift backend. The
various changes here were:

* The `avoid_div_traps` feature is enabled by default since it seemed
  that was done anywhere anyway.
* Enabling the wasm SIMD feature enables the requisite features in
  Cranelift as well.
* A method for enabling the debug verifier has been added.
* A method for configuring the Cranelift optimization level, as well as
  a corresponding enumeration, has been added.

* Assert that `Config` is both `Send` and `Sync`
This commit is contained in:
Alex Crichton
2020-01-07 14:07:48 -06:00
committed by GitHub
parent 9ead93684e
commit 41528c82bc
10 changed files with 82 additions and 71 deletions
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@@ -1991,7 +1991,6 @@ dependencies = [
"wasmtime-interface-types",
"wasmtime-jit",
"wasmtime-obj",
"wasmtime-runtime",
"wasmtime-wasi",
"wasmtime-wasi-c",
"wasmtime-wast",