Rollup of 13 pull requests

Cargo.lock

@@ -3480,6 +3480,7 @@ dependencies = [
  "rustc_parse",
  "rustc_session",
  "rustc_span",
+ "rustc_target",
  "thin-vec",
 ]
 
@@ -5988,9 +5989,9 @@ dependencies = [
 
 [[package]]
 name = "wasi-preview1-component-adapter-provider"
-version = "34.0.2"
+version = "36.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33696c5f1ff1e083de9f36c3da471abd736362bc173e093f8b0b1ed5a387e39b"
+checksum = "20689c88791776219f78c2529700d15e6a9bd57a27858c62e9ef8487956b571c"
 
 [[package]]
 name = "wasm-bindgen"
@@ -6052,17 +6053,17 @@ dependencies = [
 
 [[package]]
 name = "wasm-component-ld"
-version = "0.5.15"
+version = "0.5.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d95124e34fee1316222e03b9bbf41af186ecbae2c8b79f8debe6e21b3ff60c5"
+checksum = "14cd35d6cae91109a0ffd207b573cf3c741cab7e921dd376ea7aaf2c52a3408c"
 dependencies = [
  "anyhow",
  "clap",
  "lexopt",
  "libc",
  "tempfile",
  "wasi-preview1-component-adapter-provider",
- "wasmparser 0.234.0",
+ "wasmparser 0.237.0",
  "wat",
  "windows-sys 0.59.0",
  "winsplit",
@@ -6089,34 +6090,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-encoder"
-version = "0.234.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "170a0157eef517a179f2d20ed7c68df9c3f7f6c1c047782d488bf5a464174684"
-dependencies = [
- "leb128fmt",
- "wasmparser 0.234.0",
-]
-
-[[package]]
-name = "wasm-encoder"
-version = "0.236.1"
+version = "0.237.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "724fccfd4f3c24b7e589d333fc0429c68042897a7e8a5f8694f31792471841e7"
+checksum = "efe92d1321afa53ffc88a57c497bb7330c3cf84c98ffdba4a4caf6a0684fad3c"
 dependencies = [
  "leb128fmt",
- "wasmparser 0.236.1",
+ "wasmparser 0.237.0",
 ]
 
 [[package]]
 name = "wasm-metadata"
-version = "0.234.0"
+version = "0.237.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a42fe3f5cbfb56fc65311ef827930d06189160038e81db62188f66b4bf468e3a"
+checksum = "4cc0b0a0c4f35ca6efa7a797671372915d4e9659dba2d59edc6fafc931d19997"
 dependencies = [
  "anyhow",
  "indexmap",
- "wasm-encoder 0.234.0",
- "wasmparser 0.234.0",
+ "wasm-encoder 0.237.0",
+ "wasmparser 0.237.0",
 ]
 
 [[package]]
@@ -6131,46 +6122,45 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.234.0"
+version = "0.236.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be22e5a8f600afce671dd53c8d2dd26b4b7aa810fd18ae27dfc49737f3e02fc5"
+checksum = "a9b1e81f3eb254cf7404a82cee6926a4a3ccc5aad80cc3d43608a070c67aa1d7"
 dependencies = [
  "bitflags",
- "hashbrown",
  "indexmap",
- "semver",
- "serde",
 ]
 
 [[package]]
 name = "wasmparser"
-version = "0.236.1"
+version = "0.237.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9b1e81f3eb254cf7404a82cee6926a4a3ccc5aad80cc3d43608a070c67aa1d7"
+checksum = "7d2a40ca0d2bdf4b0bf36c13a737d0b2c58e4c8aaefe1c57f336dd75369ca250"
 dependencies = [
  "bitflags",
+ "hashbrown",
  "indexmap",
  "semver",
+ "serde",
 ]
 
 [[package]]
 name = "wast"
-version = "236.0.1"
+version = "237.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3bec4b4db9c6808d394632fd4b0cd4654c32c540bd3237f55ee6a40fff6e51f"
+checksum = "fcf66f545acbd55082485cb9a6daab54579cb8628a027162253e8e9f5963c767"
 dependencies = [
  "bumpalo",
  "leb128fmt",
  "memchr",
  "unicode-width 0.2.1",
- "wasm-encoder 0.236.1",
+ "wasm-encoder 0.237.0",
 ]
 
 [[package]]
 name = "wat"
-version = "1.236.1"
+version = "1.237.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64475e2f77d6071ce90624098fc236285ddafa8c3ea1fb386f2c4154b6c2bbdb"
+checksum = "27975186f549e4b8d6878b627be732863883c72f7bf4dcf8f96e5f8242f73da9"
 dependencies = [
  "wast",
 ]
@@ -6659,9 +6649,9 @@ dependencies = [
 
 [[package]]
 name = "wit-component"
-version = "0.234.0"
+version = "0.237.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a8888169acf4c6c4db535beb405b570eedac13215d6821ca9bd03190f7f8b8c"
+checksum = "bfb7674f76c10e82fe00b256a9d4ffb2b8d037d42ab8e9a83ebb3be35c9d0bf6"
 dependencies = [
  "anyhow",
  "bitflags",
@@ -6670,17 +6660,17 @@ dependencies = [
  "serde",
  "serde_derive",
  "serde_json",
- "wasm-encoder 0.234.0",
+ "wasm-encoder 0.237.0",
  "wasm-metadata",
- "wasmparser 0.234.0",
+ "wasmparser 0.237.0",
  "wit-parser",
 ]
 
 [[package]]
 name = "wit-parser"
-version = "0.234.0"
+version = "0.237.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "465492df47d8dcc015a3b7f241aed8ea03688fee7c5e04162285c5b1a3539c8b"
+checksum = "ce2596a5bc7c24cc965b56ad6ff9e32394c4e401764f89620a888519c6e849ab"
 dependencies = [
  "anyhow",
  "id-arena",
@@ -6691,7 +6681,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "unicode-xid",
- "wasmparser 0.234.0",
+ "wasmparser 0.237.0",
 ]
 
 [[package]]

bootstrap.example.toml

@@ -407,8 +407,11 @@
 #build.profiler = false
 
 # Use the optimized LLVM C intrinsics for `compiler_builtins`, rather than Rust intrinsics.
-# Requires the LLVM submodule to be managed by bootstrap (i.e. not external) so that `compiler-rt`
-# sources are available.
+# Choosing true requires the LLVM submodule to be managed by bootstrap (i.e. not external)
+# so that `compiler-rt` sources are available.
+#
+# Setting this to a path removes the requirement for a C toolchain, but requires setting the
+# path to an existing library containing the builtins library from LLVM's compiler-rt.
 #
 # Setting this to `false` generates slower code, but removes the requirement for a C toolchain in
 # order to run `x check`.
@@ -1041,13 +1044,15 @@
 #runner = <none> (string)
 
 # Use the optimized LLVM C intrinsics for `compiler_builtins`, rather than Rust intrinsics
-# on this target.
-# Requires the LLVM submodule to be managed by bootstrap (i.e. not external) so that `compiler-rt`
-# sources are available.
+# on this target. Choosing true requires the LLVM submodule to be managed by bootstrap
+# (i.e. not external) so that `compiler-rt` sources are available.
+#
+# Setting this to a path removes the requirement for a C toolchain, but requires setting the
+# path to an existing library containing the builtins library from LLVM's compiler-rt.
 #
 # Setting this to `false` generates slower code, but removes the requirement for a C toolchain in
 # order to run `x check`.
-#optimized-compiler-builtins = build.optimized-compiler-builtins (bool)
+#optimized-compiler-builtins = build.optimized-compiler-builtins (bool or path)
 
 # Link the compiler and LLVM against `jemalloc` instead of the default libc allocator.
 # This overrides the global `rust.jemalloc` option. See that option for more info.

compiler/rustc_attr_parsing/Cargo.toml

@@ -17,5 +17,6 @@ rustc_macros = { path = "../rustc_macros" }
 rustc_parse = { path = "../rustc_parse" }
 rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
+rustc_target = { path = "../rustc_target" }
 thin-vec = "0.2.12"
 # tidy-alphabetical-end

compiler/rustc_attr_parsing/messages.ftl

@@ -189,3 +189,55 @@ attr_parsing_invalid_meta_item = expected a literal (`1u8`, `1.0f32`, `"string"`
 
 attr_parsing_suffixed_literal_in_attribute = suffixed literals are not allowed in attributes
     .help = instead of using a suffixed literal (`1u8`, `1.0f32`, etc.), use an unsuffixed version (`1`, `1.0`, etc.)
+
+attr_parsing_as_needed_compatibility =
+    linking modifier `as-needed` is only compatible with `dylib` and `framework` linking kinds
+
+attr_parsing_bundle_needs_static =
+    linking modifier `bundle` is only compatible with `static` linking kind
+
+attr_parsing_empty_link_name =
+    link name must not be empty
+    .label = empty link name
+
+attr_parsing_import_name_type_raw =
+    import name type can only be used with link kind `raw-dylib`
+
+attr_parsing_import_name_type_x86 =
+    import name type is only supported on x86
+
+attr_parsing_incompatible_wasm_link =
+    `wasm_import_module` is incompatible with other arguments in `#[link]` attributes
+
+attr_parsing_invalid_link_modifier =
+    invalid linking modifier syntax, expected '+' or '-' prefix before one of: bundle, verbatim, whole-archive, as-needed
+
+attr_parsing_link_arg_unstable =
+    link kind `link-arg` is unstable
+
+attr_parsing_link_cfg_unstable =
+    link cfg is unstable
+
+attr_parsing_link_framework_apple =
+    link kind `framework` is only supported on Apple targets
+
+attr_parsing_link_requires_name =
+    `#[link]` attribute requires a `name = "string"` argument
+    .label = missing `name` argument
+
+attr_parsing_multiple_modifiers =
+    multiple `{$modifier}` modifiers in a single `modifiers` argument
+
+attr_parsing_multiple_renamings =
+    multiple renamings were specified for library `{$lib_name}`
+attr_parsing_raw_dylib_no_nul =
+    link name must not contain NUL characters if link kind is `raw-dylib`
+
+attr_parsing_raw_dylib_elf_unstable =
+    link kind `raw-dylib` is unstable on ELF platforms
+
+attr_parsing_raw_dylib_only_windows =
+    link kind `raw-dylib` is only supported on Windows targets
+
+attr_parsing_whole_archive_needs_static =
+    linking modifier `whole-archive` is only compatible with `static` linking kind

compiler/rustc_attr_parsing/src/attributes/cfg.rs

@@ -36,7 +36,7 @@ pub fn parse_cfg_attr<'c, S: Stage>(
     parse_cfg_entry(cx, single)
 }
 
-fn parse_cfg_entry<S: Stage>(
+pub(crate) fn parse_cfg_entry<S: Stage>(
     cx: &mut AcceptContext<'_, '_, S>,
     item: &MetaItemOrLitParser<'_>,
 ) -> Option<CfgEntry> {