backlink to relevant cleanup issues in FIXMEs

Author: tropicaaal

src/bootstrap/Cargo.toml

@@ -98,5 +98,6 @@ debug = 0
 bootstrap.debug = 1
 
 [patch.crates-io]
-# FIXME: remove this once the `armv7a-vex-v5` target is available on nightly and cc-rs is updated with it
+# FIXME: Remove this once a nightly is published with `armv7a-vex-v5` support,
+# see https://github.com/rust-lang/rust/issues/136075
 cc = { git = "https://github.com/rust-lang/cc-rs", rev = "6fe995c675dc1178f570752fa8f6de82913a91dc" }

src/bootstrap/src/lib.rs

@@ -617,8 +617,9 @@ impl Build {
         if self.config.profiler_enabled(target) {
             features.insert("profiler");
         }
-        // Generate memcpy, etc.  FIXME: Remove this once compiler-builtins
-        // automatically detects this target.
+        // Generate memcpy, etc.
+        // FIXME: Remove this once compiler-builtins automatically detects this target,
+        // see <https://github.com/rust-lang/rust/issues/136076>
         if target.contains("zkvm") || target.contains("vex") {
             features.insert("compiler-builtins-mem");
         }

src/tools/tidy/src/extdeps.rs

@@ -9,6 +9,8 @@ const ALLOWED_SOURCES: &[&str] = &[
     // This is `rust_team_data` used by `site` in src/tools/rustc-perf,
     r#""git+https://github.com/rust-lang/team#a5260e76d3aa894c64c56e6ddc8545b9a98043ec""#,
     // This is temporarily used to bootstrap the `armv7a_vex_v5` target until cc-rs has it in its generated target list.
+    // FIXME: Remove this once a nightly is published with `armv7a-vex-v5` support,
+    // see <https://github.com/rust-lang/rust/issues/136075>
     r#""git+https://github.com/rust-lang/cc-rs?rev=6fe995c675dc1178f570752fa8f6de82913a91dc#6fe995c675dc1178f570752fa8f6de82913a91dc""#,
 ];