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Auto merge of #141993 - tgross35:use-in-tree-builtins, r=<try>
WIP: Use the in-tree compiler-builtins for the sysroot Zulip discussion: [#t-compiler > Using in-tree compiler-builtins](https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/Using.20in-tree.20compiler-builtins/with/522445336) try-job: x86_64-gnu try-job: test-various
2 parents df8102f + c439d7c commit e9c598d

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‎.gitmodules

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shallow = true
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[submodule "library/stdarch"]
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path = library/stdarch
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url = https://github.com/rust-lang/stdarch.git
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url = https://github.com/tgross35/rust-stdarch.git
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shallow = true
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[submodule "src/doc/edition-guide"]
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path = src/doc/edition-guide

‎library/Cargo.lock

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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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version = "1.0.1"
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source = "git+https://github.com/tgross35/cfg-if.git?branch=no-compiler-builtins#91c07fb51b83c24c65383d82a2f7a46e55b4ce39"
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dependencies = [
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"compiler_builtins",
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"rustc-std-workspace-core",
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]
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[[package]]
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name = "compiler_builtins"
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version = "0.1.160"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6376049cfa92c0aa8b9ac95fae22184b981c658208d4ed8a1dc553cd83612895"
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dependencies = [
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"cc",
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"rustc-std-workspace-core",
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"core",
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"panic-handler",
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]
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[[package]]
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[[package]]
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name = "hashbrown"
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version = "0.15.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "84b26c544d002229e640969970a2e74021aadf6e2f96372b9c58eff97de08eb3"
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source = "git+https://github.com/tgross35/hashbrown.git?branch=no-compiler-builtins#197a1ebf65a8ee692acedc698b98d92aec291ade"
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dependencies = [
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"compiler_builtins",
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"rustc-std-workspace-alloc",
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"rustc-std-workspace-core",
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]
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"rustc-std-workspace-core",
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]
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[[package]]
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name = "panic-handler"
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version = "0.1.0"
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[[package]]
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name = "panic_abort"
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version = "0.0.0"
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[[package]]
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name = "rustc-demangle"
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version = "0.1.24"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
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source = "git+https://github.com/tgross35/rustc-demangle.git?branch=no-compiler-builtins#384a09b4b6e559988f1638e5b2ff4194b0342e61"
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dependencies = [
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"compiler_builtins",
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"rustc-std-workspace-core",
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]
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name = "rustc-std-workspace-core"
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version = "1.99.0"
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dependencies = [
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"compiler_builtins",
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"core",
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]
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version = "0.1.5"
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dependencies = [
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"cfg-if",
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"compiler_builtins",
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"libc",
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"rustc-std-workspace-alloc",
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"rustc-std-workspace-core",
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[[package]]
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name = "unicode-width"
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version = "0.1.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
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version = "0.1.7"
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source = "git+https://github.com/tgross35/unicode-width.git?branch=no-compiler-builtins#363d6352dbb9701acbf04ca4792bb2f0a0a9ed61"
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dependencies = [
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"compiler_builtins",
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"rustc-std-workspace-core",
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"rustc-std-workspace-std",
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]

‎library/Cargo.toml

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rustc-std-workspace-core = { path = 'rustc-std-workspace-core' }
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rustc-std-workspace-alloc = { path = 'rustc-std-workspace-alloc' }
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rustc-std-workspace-std = { path = 'rustc-std-workspace-std' }
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cfg-if = { git = "https://github.com/tgross35/cfg-if.git", branch = "no-compiler-builtins"}
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hashbrown = { git = "https://github.com/tgross35/hashbrown.git", branch = "no-compiler-builtins"}
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rustc-demangle = { git = "https://github.com/tgross35/rustc-demangle.git", branch = "no-compiler-builtins"}
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unicode-width = { git = "https://github.com/tgross35/unicode-width.git", branch = "no-compiler-builtins"}
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compiler_builtins = { path = "compiler-builtins/compiler-builtins" }

‎library/alloc/Cargo.toml

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[dependencies]
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core = { path = "../core", public = true }
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compiler_builtins = { version = "=0.1.160", features = ['rustc-dep-of-std'] }
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compiler_builtins = { path = "../compiler-builtins/compiler-builtins", features = ['rustc-dep-of-std'] }
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[features]
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compiler-builtins-mem = ['compiler_builtins/mem']

‎library/compiler-builtins/compiler-builtins/Cargo.toml

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[package]
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authors = ["Jorge Aparicio <[email protected]>"]
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name = "compiler_builtins"
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version = "0.1.159"
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version = "0.1.160"
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license = "MIT AND Apache-2.0 WITH LLVM-exception AND (MIT OR Apache-2.0)"
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readme = "README.md"
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repository = "https://github.com/rust-lang/compiler-builtins"
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[dependencies]
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# For more information on this dependency see
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# https://github.com/rust-lang/rust/tree/master/library/rustc-std-workspace-core
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core = { version = "1.0.0", optional = true, package = "rustc-std-workspace-core" }
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core = { path = "../../core", optional = true }
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# core = { version = "1.0.0", optional = true, package = "rustc-std-workspace-core" }
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[build-dependencies]
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cc = { optional = true, version = "1.0" }

‎library/compiler-builtins/crates/panic-handler/src/lib.rs

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//! This is needed for tests on targets that require a `#[panic_handler]` function
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// //! This is needed for tests on targets that require a `#[panic_handler]` function
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#![feature(no_core)]
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#![no_core]
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extern crate core;
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// extern crate core;
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#[panic_handler]
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fn panic(_: &core::panic::PanicInfo) -> ! {
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loop {}
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}
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// #[panic_handler]
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// fn panic(_: &core::panic::PanicInfo) -> ! {
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// loop {}
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// }

‎library/panic_abort/Cargo.toml

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[dependencies]
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core = { path = "../core" }
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compiler_builtins = "0.1.0"
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compiler_builtins = { path = "../compiler-builtins/compiler-builtins" }
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[target.'cfg(target_os = "android")'.dependencies]
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libc = { version = "0.2", default-features = false }

‎library/panic_unwind/Cargo.toml

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alloc = { path = "../alloc" }
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core = { path = "../core" }
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unwind = { path = "../unwind" }
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compiler_builtins = "0.1.0"
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compiler_builtins = { path = "../compiler-builtins/compiler-builtins" }
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cfg-if = { version = "1.0", features = ['rustc-dep-of-std'] }
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[target.'cfg(not(all(windows, target_env = "msvc")))'.dependencies]

‎library/rustc-std-workspace-core/Cargo.toml

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[dependencies]
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core = { path = "../core" }
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compiler_builtins = { path = "../compiler-builtins/compiler-builtins", features = ["compiler-builtins"] }

‎library/rustc-std-workspace-core/lib.rs

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#![no_core]
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pub use core::*;
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// Crate must be brought into scope so it appears in the crate graph for anything that
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// depends on `rustc-std-workspace-core`.
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use compiler_builtins as _;

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