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https://github.com/rust-lang/rust.git
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8a50bcbdce
Remove the unstable `extern "wasm"` ABI (`wasm_abi` feature tracked in #83788). As discussed in https://github.com/rust-lang/rust/pull/127513#issuecomment-2220410679 and following, this ABI is a failed experiment that did not end up being used for anything. Keeping support for this ABI in LLVM 19 would require us to switch wasm targets to the `experimental-mv` ABI, which we do not want to do. It should be noted that `Abi::Wasm` was internally used for two things: The `-Z wasm-c-abi=legacy` ABI that is still used by default on some wasm targets, and the `extern "wasm"` ABI. Despite both being `Abi::Wasm` internally, they were not the same. An explicit `extern "wasm"` additionally enabled the `+multivalue` feature. I've opted to remove `Abi::Wasm` in this patch entirely, instead of keeping it as an ABI with only internal usage. Both `-Z wasm-c-abi` variants are now treated as part of the normal C ABI, just with different different treatment in adjust_for_foreign_abi.
67 lines
2.6 KiB
Rust
67 lines
2.6 KiB
Rust
//@ revisions: x64 i686 aarch64 arm riscv32 riscv64
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//
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//@ [x64] needs-llvm-components: x86
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//@ [x64] compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=rlib
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//@ [i686] needs-llvm-components: x86
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//@ [i686] compile-flags: --target=i686-unknown-linux-gnu --crate-type=rlib
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//@ [aarch64] needs-llvm-components: aarch64
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//@ [aarch64] compile-flags: --target=aarch64-unknown-linux-gnu --crate-type=rlib
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//@ [arm] needs-llvm-components: arm
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//@ [arm] compile-flags: --target=armv7-unknown-linux-gnueabihf --crate-type=rlib
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//@ [riscv32] needs-llvm-components: riscv
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//@ [riscv32] compile-flags: --target=riscv32i-unknown-none-elf --crate-type=rlib
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//@ [riscv64] needs-llvm-components: riscv
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//@ [riscv64] compile-flags: --target=riscv64gc-unknown-none-elf --crate-type=rlib
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#![no_core]
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#![feature(
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no_core,
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lang_items,
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abi_ptx,
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abi_msp430_interrupt,
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abi_avr_interrupt,
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abi_x86_interrupt,
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abi_riscv_interrupt
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)]
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#[lang = "sized"]
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trait Sized {}
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extern "ptx-kernel" fn ptx() {}
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//~^ ERROR is not a supported ABI
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extern "aapcs" fn aapcs() {}
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//[x64]~^ ERROR is not a supported ABI
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//[i686]~^^ ERROR is not a supported ABI
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//[aarch64]~^^^ ERROR is not a supported ABI
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//[riscv32]~^^^^ ERROR is not a supported ABI
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//[riscv64]~^^^^^ ERROR is not a supported ABI
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extern "msp430-interrupt" fn msp430() {}
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//~^ ERROR is not a supported ABI
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extern "avr-interrupt" fn avr() {}
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//~^ ERROR is not a supported ABI
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extern "riscv-interrupt-m" fn riscv() {}
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//[arm]~^ ERROR is not a supported ABI
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//[x64]~^^ ERROR is not a supported ABI
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//[i686]~^^^ ERROR is not a supported ABI
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//[aarch64]~^^^^ ERROR is not a supported ABI
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extern "x86-interrupt" fn x86() {}
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//[aarch64]~^ ERROR is not a supported ABI
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//[arm]~^^ ERROR is not a supported ABI
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//[riscv32]~^^^ ERROR is not a supported ABI
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//[riscv64]~^^^^ ERROR is not a supported ABI
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extern "thiscall" fn thiscall() {}
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//[x64]~^ ERROR is not a supported ABI
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//[arm]~^^ ERROR is not a supported ABI
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//[aarch64]~^^^ ERROR is not a supported ABI
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//[riscv32]~^^^^ ERROR is not a supported ABI
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//[riscv64]~^^^^^ ERROR is not a supported ABI
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extern "stdcall" fn stdcall() {}
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//[x64]~^ WARN use of calling convention not supported
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//[x64]~^^ WARN this was previously accepted
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//[arm]~^^^ WARN use of calling convention not supported
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//[arm]~^^^^ WARN this was previously accepted
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//[aarch64]~^^^^^ WARN use of calling convention not supported
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//[aarch64]~^^^^^^ WARN this was previously accepted
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//[riscv32]~^^^^^^^ WARN use of calling convention not supported
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//[riscv32]~^^^^^^^^ WARN this was previously accepted
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//[riscv64]~^^^^^^^^^ WARN use of calling convention not supported
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//[riscv64]~^^^^^^^^^^ WARN this was previously accepted
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