rustc: update to 1.83.0

[MingcongBai]

Topic Description

• rustc: update to 1.83.0
  • Track patches at AOSC-Tracking/rust @ aosc/v1.83.0
    (HEAD: 68757f859f724374107416d1c0b212ce9126aa71).
  • FIXME: Using local bootstrap tarball as we missed a release - rustc needs
    to bootstrap from an adjacent release.

Package(s) Affected

• rustc: 1:1.83.0

Security Update?

No

Build Order

#buildit rustc

Test Build(s) Done

Primary Architectures

• AMD64 amd64
• AArch64 arm64
• LoongArch 64-bit loongarch64

Secondary Architectures

• Loongson 3 loongson3
• PowerPC 64-bit (Little Endian) ppc64el
• RISC-V 64-bit riscv64

[jiegec]

Probably we should upgrade to 1.82.0 first.

[MingcongBai]

Probably we should upgrade to 1.82.0 first.

I have already changed config.toml to use a downloaded bootstrap toolchain, unless I made mistakes somewhere...

[jiegec]

Let's try again with pub -> pub(crate).

[jiegec]

Probably we should upgrade to 1.82.0 first.

I have already changed config.toml to use a downloaded bootstrap toolchain, unless I made mistakes somewhere...

[�[96mINFO�[0m]:  �[1mGenerating config.toml ...�[0m
[�[96mINFO�[0m]:  �[1mArchitecture loongson3 matches loongson3: taking true branch.�[0m
[�[96mINFO�[0m]:  �[1mExtracting bootstrapped Stage 1 Rust toolchain...�[0m
bsdtar: Error opening archive: Failed to open '/var/cache/acbs/build/acbs._wzdnw6p/rustc-bootstrap-1.83.0-loongson3.tar.xz'
�[0mIn file included from �[1m/usr/bin/autobuild:13
�[0m                 from �[1m/usr/lib/autobuild4/proc/50-build-exec.sh:13
autobuild/prepare:66: �[0mIn function `�[1msource':
autobuild/prepare:66: �[91merror: �[39mcommand exited with �[93m1�[39m�[0m
   65 |     abinfo "Extracting bootstrapped Stage 1 Rust toolchain..."�[0m
�[1m>  66 |     bsdtar xf "$SRC_PARENT"/rustc-bootstrap-${PKGVER}-${CROSS:-$ARCH}.tar.xz \�[0m
   67 |         -C "$SRC_PARENT"�[0m

[jiegec]

Something wrong with fp16 on loongarch64 again:

�[K[RUSTC-TIMING] memchr test:false 1.350
�[1m�[36m    Building�[0m [===========>               ] 18/39: rustc-demangle, alloc, co...
�[K�[1m�[33mwarning�[0m�[1m:�[0m `memchr` (lib) generated 45 warnings (3 duplicates)
�[1m�[36m    Building�[0m [============>              ] 19/39: rustc-demangle, alloc, co...
�[Krustc-LLVM ERROR: Cannot select: 0x7fffc01ed780: i64 = fp_to_fp16 0x7fffc053edb0
  0x7fffc053edb0: f32,ch = CopyFromReg 0x7fffc037e820, Register:f32 %5
    0x7fffc017bd80: f32 = Register %5
In function: _ZN17compiler_builtins5float6extend13__extendhfsf217h18693198bf4844c6E
�[1m�[36m    Building�[0m [============>              ] 19/39: rustc-demangle, alloc, co...
�[K[RUSTC-TIMING] compiler_builtins test:false 3.711
�[1m�[36m    Building�[0m [============>              ] 19/39: rustc-demangle, alloc, co...

Did not run successfully: exit status: 101

[MingcongBai]

Something wrong with fp16 on loongarch64 again:

�[K[RUSTC-TIMING] memchr test:false 1.350
�[1m�[36m    Building�[0m [===========>               ] 18/39: rustc-demangle, alloc, co...
�[K�[1m�[33mwarning�[0m�[1m:�[0m `memchr` (lib) generated 45 warnings (3 duplicates)
�[1m�[36m    Building�[0m [============>              ] 19/39: rustc-demangle, alloc, co...
�[Krustc-LLVM ERROR: Cannot select: 0x7fffc01ed780: i64 = fp_to_fp16 0x7fffc053edb0
  0x7fffc053edb0: f32,ch = CopyFromReg 0x7fffc037e820, Register:f32 %5
    0x7fffc017bd80: f32 = Register %5
In function: _ZN17compiler_builtins5float6extend13__extendhfsf217h18693198bf4844c6E
�[1m�[36m    Building�[0m [============>              ] 19/39: rustc-demangle, alloc, co...
�[K[RUSTC-TIMING] compiler_builtins test:false 3.711
�[1m�[36m    Building�[0m [============>              ] 19/39: rustc-demangle, alloc, co...

Did not run successfully: exit status: 101

Dang it! We had a patch for 1.82, not sure if still useful:

AOSC-Tracking/rustc@8438616

[jiegec]

Is it time to switch to llvm 19 for loongarch?

[MingcongBai]

Is it time to switch to llvm 19 for loongarch?

Possibly. Have a go in this topic (choosing LLVM 19 as the compiler).

[jiegec]

Now linked to llvm 19:

        linux-vdso.so.1 (0x00007f0758e22000)
        librustc_driver-e2db29cab5dfae99.so => /usr/lib/librustc_driver-e2db29cab5dfae99.so (0x00007f0754e00000)
        libc.so.6 => /usr/lib/glibc-hwcaps/x86-64-v3/libc.so.6 (0x00007f0754c39000)
        libLLVM.so.19.1 => /usr/lib/libLLVM.so.19.1 (0x00007f074d400000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f074d000000)
        libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007f0758d8f000)
        libm.so.6 => /usr/lib/glibc-hwcaps/x86-64-v3/libm.so.6 (0x00007f0754b8b000)
        /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 (0x00007f0758e24000)
        libffi.so.8 => /usr/lib/libffi.so.8 (0x00007f0758d7d000)
        libedit.so.0 => /usr/lib/libedit.so.0 (0x00007f0758d3e000)
        libz.so.1 => /usr/lib/libz.so.1 (0x00007f0758d1a000)
        libzstd.so.1 => /usr/lib/glibc-hwcaps/x86-64-v3/libzstd.so.1.5.6 (0x00007f0754a9f000)
        libxml2.so.2 => /usr/lib/libxml2.so.2 (0x00007f074ce98000)
        libncursesw.so.6 => /usr/lib/libncursesw.so.6 (0x00007f074d389000)
        liblzma.so.5 => /usr/lib/liblzma.so.5 (0x00007f074d349000)

[aosc-buildit-bot]

Dickens-topic report has been uploaded to pastebin as paste fe447948-8ead-41f2-9f43-007e8657f860.

[MingcongBai]

LGTM, successfully built oma 1.14-alpha.0 (master):