Rollup merge of #156571 - daxpedda:wasm-main, r=alexcrichton Disable `main_needs_argc_argv` for Wasm AFAIU this explains to the "Rust Runtime" that `main()` doesn't need `argc`/`argv`. Newer Wasm targets have explicitly disabled this, this PR changes it so that the base Wasm configuration affecting all Wasm targets disables this now. This affects the following targets: - `wasm32-unknown-unknown` - `wasm32v1-none` - `wasm64-unknown-unknown` The only Wasm target where `main_needs_argc_argv` is still enabled is `wasm32-unknown-emscripten`. @hoodmane let me know and I can remove it there as well. Credit goes to @Spxg for stumbling on this. r? @alexcrichton
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