Unrolled build for #143566

Rollup merge of #143566 - jieyouxu:fix-x86_64-unknown-netbsd, r=fee1-dead Fix `x86_64-unknown-netbsd` platform support page `x86_64-unknown-netbsd` is Tier 2 with host tools, not Tier 3. cc `@he32.` r? compiler

Author: rust-timer

src/doc/rustc/src/platform-support/netbsd.md

@@ -1,7 +1,5 @@
 # \*-unknown-netbsd
 
-**Tier: 3**
-
 [NetBSD] multi-platform 4.4BSD-based UNIX-like operating system.
 
 [NetBSD]: https://www.NetBSD.org/
@@ -11,19 +9,19 @@ where `$ARCH` specifies the target processor architecture and
 `-$SUFFIX` (optional) might indicate the ABI. The following targets
 are currently defined running NetBSD:
 
-|   Target name | NetBSD Platform |
-|--------------------------------|-----------------|
-| `x86_64-unknown-netbsd`  | [amd64 / x86_64 systems](https://wiki.netbsd.org/ports/amd64/) |
-| `armv7-unknown-netbsd-eabihf`  | [32-bit ARMv7 systems with hard-float](https://wiki.netbsd.org/ports/evbarm/) |
-| `armv6-unknown-netbsd-eabihf`  | [32-bit ARMv6 systems with hard-float](https://wiki.netbsd.org/ports/evbarm/) |
-| `aarch64-unknown-netbsd`  | [64-bit ARM systems, little-endian](https://wiki.netbsd.org/ports/evbarm/) |
-| `aarch64_be-unknown-netbsd`  | [64-bit ARM systems, big-endian](https://wiki.netbsd.org/ports/evbarm/) |
-| `i586-unknown-netbsd`  | [32-bit i386, restricted to Pentium](https://wiki.netbsd.org/ports/i386/) |
-| `i686-unknown-netbsd`  | [32-bit i386 with SSE](https://wiki.netbsd.org/ports/i386/) |
-| `mipsel-unknown-netbsd`  | [32-bit mips, requires mips32 cpu support](https://wiki.netbsd.org/ports/evbmips/) |
-| `powerpc-unknown-netbsd`  | [Various 32-bit PowerPC systems, e.g. MacPPC](https://wiki.netbsd.org/ports/macppc/) |
-| `riscv64gc-unknown-netbsd`  | [64-bit RISC-V](https://wiki.netbsd.org/ports/riscv/) |
-| `sparc64-unknown-netbsd`  | [Sun UltraSPARC systems](https://wiki.netbsd.org/ports/sparc64/) |
+| Target tier  | Target name  | NetBSD Platform  |
+|---------------------|-------------------------------|--------------------------------------------------------------------------------------|
+| 2 (with host tools) | `x86_64-unknown-netbsd` | [amd64 / x86_64 systems](https://wiki.netbsd.org/ports/amd64/)  |
+| 3 | `armv7-unknown-netbsd-eabihf` | [32-bit ARMv7 systems with hard-float](https://wiki.netbsd.org/ports/evbarm/)  |
+| 3 | `armv6-unknown-netbsd-eabihf` | [32-bit ARMv6 systems with hard-float](https://wiki.netbsd.org/ports/evbarm/)  |
+| 3 | `aarch64-unknown-netbsd` | [64-bit ARM systems, little-endian](https://wiki.netbsd.org/ports/evbarm/)  |
+| 3 | `aarch64_be-unknown-netbsd` | [64-bit ARM systems, big-endian](https://wiki.netbsd.org/ports/evbarm/)  |
+| 3 | `i586-unknown-netbsd` | [32-bit i386, restricted to Pentium](https://wiki.netbsd.org/ports/i386/)  |
+| 3 | `i686-unknown-netbsd` | [32-bit i386 with SSE](https://wiki.netbsd.org/ports/i386/)  |
+| 3 | `mipsel-unknown-netbsd` | [32-bit mips, requires mips32 cpu support](https://wiki.netbsd.org/ports/evbmips/)  |
+| 3 | `powerpc-unknown-netbsd` | [Various 32-bit PowerPC systems, e.g. MacPPC](https://wiki.netbsd.org/ports/macppc/) |
+| 3 | `riscv64gc-unknown-netbsd` | [64-bit RISC-V](https://wiki.netbsd.org/ports/riscv/)  |
+| 3 | `sparc64-unknown-netbsd` | [Sun UltraSPARC systems](https://wiki.netbsd.org/ports/sparc64/)  |
 
 All use the "native" `stdc++` library which goes along with the natively
 supplied GNU C++ compiler for the given OS version. Many of the bootstraps