threads: add more flags

This adds CLI-level flags for `shared-everything-threads` based on this
[comment].

[comment]: bytecodealliance#10206 (review)

Author: abrown

crates/cli-flags/src/lib.rs

@@ -358,6 +358,8 @@ wasmtime_option_group! {
         pub tail_call: Option<bool>,
         /// Configure support for the threads proposal.
         pub threads: Option<bool>,
+        /// Configure support for the shared-everything-threads proposal.
+        pub shared_everything_threads: Option<bool>,
         /// Configure support for the memory64 proposal.
         pub memory64: Option<bool>,
         /// Configure support for the component-model proposal.

crates/fuzzing/src/generators/config.rs

@@ -299,6 +299,8 @@ impl Config {
         cfg.wasm.simd = Some(self.module_config.config.simd_enabled);
         cfg.wasm.tail_call = Some(self.module_config.config.tail_call_enabled);
         cfg.wasm.threads = Some(self.module_config.config.threads_enabled);
+        cfg.wasm.shared_everything_threads =
+            Some(self.module_config.config.shared_everything_threads_enabled);
         cfg.wasm.wide_arithmetic = Some(self.module_config.config.wide_arithmetic_enabled);
         cfg.wasm.exceptions = Some(self.module_config.config.exceptions_enabled);
         cfg.wasm.legacy_exceptions = Some(self.module_config.legacy_exceptions);