Remove sanitizer_runtime attribute

src/doc/unstable-book/src/library-features/sanitizer-runtime-lib.md

@@ -1,5 +0,0 @@
-# `sanitizer_runtime_lib`
-
-This feature is internal to the Rust compiler and is not intended for general use.
-
-------------------------

src/librustc/query/mod.rs

@@ -686,10 +686,6 @@ rustc_queries! {
             fatal_cycle
             desc { "checking if the crate has_panic_handler" }
         }
-        query is_sanitizer_runtime(_: CrateNum) -> bool {
-            fatal_cycle
-            desc { "query a crate is `#![sanitizer_runtime]`" }
-        }
         query is_profiler_runtime(_: CrateNum) -> bool {
             fatal_cycle
             desc { "query a crate is `#![profiler_runtime]`" }

src/librustc_codegen_ssa/base.rs

@@ -723,7 +723,6 @@ impl CrateInfo {
             panic_runtime: None,
             compiler_builtins: None,
             profiler_runtime: None,
-            sanitizer_runtime: None,
             is_no_builtins: Default::default(),
             native_libraries: Default::default(),
             used_libraries: tcx.native_libraries(LOCAL_CRATE),
@@ -759,9 +758,6 @@ impl CrateInfo {
             if tcx.is_profiler_runtime(cnum) {
                 info.profiler_runtime = Some(cnum);
             }
-            if tcx.is_sanitizer_runtime(cnum) {
-                info.sanitizer_runtime = Some(cnum);
-            }
             if tcx.is_no_builtins(cnum) {
                 info.is_no_builtins.insert(cnum);
             }

src/librustc_codegen_ssa/lib.rs

@@ -122,7 +122,6 @@ pub struct CrateInfo {
     pub panic_runtime: Option<CrateNum>,
     pub compiler_builtins: Option<CrateNum>,
     pub profiler_runtime: Option<CrateNum>,
-    pub sanitizer_runtime: Option<CrateNum>,
     pub is_no_builtins: FxHashSet<CrateNum>,
     pub native_libraries: FxHashMap<CrateNum, Lrc<Vec<NativeLibrary>>>,
     pub crate_name: FxHashMap<CrateNum, String>,

src/librustc_feature/active.rs

@@ -192,9 +192,6 @@ declare_features! (
     /// Allows using the `unadjusted` ABI; perma-unstable.
     (active, abi_unadjusted, "1.16.0", None, None),
 
-    /// Allows identifying crates that contain sanitizer runtimes.
-    (active, sanitizer_runtime, "1.17.0", None, None),
-
     /// Used to identify crates that contain the profiler runtime.
     (active, profiler_runtime, "1.18.0", None, None),
 

src/librustc_feature/builtin_attrs.rs

@@ -409,11 +409,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
         "the `#[compiler_builtins]` attribute is used to identify the `compiler_builtins` crate \
         which contains compiler-rt intrinsics and will never be stable",
     ),
-    gated!(
-        sanitizer_runtime, Whitelisted, template!(Word),
-        "the `#[sanitizer_runtime]` attribute is used to identify crates that contain the runtime \
-        of a sanitizer and will never be stable",
-    ),
     gated!(
         profiler_runtime, Whitelisted, template!(Word),
         "the `#[profiler_runtime]` attribute is used to identify the `profiler_builtins` crate \

src/librustc_feature/removed.rs

@@ -74,6 +74,8 @@ declare_features! (
     (removed, pushpop_unsafe, "1.2.0", None, None, None),
     (removed, needs_allocator, "1.4.0", Some(27389), None,
      Some("subsumed by `#![feature(allocator_internals)]`")),
+    /// Allows identifying crates that contain sanitizer runtimes.
+    (removed, sanitizer_runtime, "1.17.0", None, None, None),
     (removed, proc_macro_mod, "1.27.0", Some(54727), None,
      Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
     (removed, proc_macro_expr, "1.27.0", Some(54727), None,

src/librustc_metadata/rmeta/decoder.rs

@@ -1587,10 +1587,6 @@ impl<'a, 'tcx> CrateMetadata {
         self.root.panic_runtime
     }
 
-    crate fn is_sanitizer_runtime(&self) -> bool {
-        self.root.sanitizer_runtime
-    }
-
     crate fn is_profiler_runtime(&self) -> bool {
         self.root.profiler_runtime
     }

src/librustc_metadata/rmeta/decoder/cstore_impl.rs

@@ -161,7 +161,6 @@ provide! { <'tcx> tcx, def_id, other, cdata,
     is_compiler_builtins => { cdata.root.compiler_builtins }
     has_global_allocator => { cdata.root.has_global_allocator }
     has_panic_handler => { cdata.root.has_panic_handler }
-    is_sanitizer_runtime => { cdata.root.sanitizer_runtime }
     is_profiler_runtime => { cdata.root.profiler_runtime }
     panic_strategy => { cdata.root.panic_strategy }
     extern_crate => {

src/librustc_metadata/rmeta/encoder.rs

@@ -514,7 +514,6 @@ impl<'tcx> EncodeContext<'tcx> {
             no_builtins: attr::contains_name(&attrs, sym::no_builtins),
             panic_runtime: attr::contains_name(&attrs, sym::panic_runtime),
             profiler_runtime: attr::contains_name(&attrs, sym::profiler_runtime),
-            sanitizer_runtime: attr::contains_name(&attrs, sym::sanitizer_runtime),
             symbol_mangling_version: tcx.sess.opts.debugging_opts.symbol_mangling_version,
 
             crate_deps,

src/librustc_metadata/rmeta/mod.rs

@@ -209,7 +209,6 @@ crate struct CrateRoot<'tcx> {
     no_builtins: bool,
     panic_runtime: bool,
     profiler_runtime: bool,
-    sanitizer_runtime: bool,
     symbol_mangling_version: SymbolManglingVersion,
 }
 

src/test/ui/feature-gates/feature-gate-sanitizer-runtime.rs

@@ -1,3 +0,0 @@
-#![sanitizer_runtime] //~ ERROR the `#[sanitizer_runtime]` attribute is
-
-fn main() {}

src/test/ui/feature-gates/feature-gate-sanitizer-runtime.stderr

@@ -1,11 +0,0 @@
-error[E0658]: the `#[sanitizer_runtime]` attribute is used to identify crates that contain the runtime of a sanitizer and will never be stable
-  --> $DIR/feature-gate-sanitizer-runtime.rs:1:1
-   |
-LL | #![sanitizer_runtime]
-   | ^^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: add `#![feature(sanitizer_runtime)]` to the crate attributes to enable
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0658`.