Rollup of 4 pull requests

[jhpratt]

Successful merges:

• add autodiff inline #139308 (add autodiff inline)
• Correctly display stdout and stderr in case a doctest is failing #140291 (Correctly display stdout and stderr in case a doctest is failing)
• Update example to use CStr::to_string_lossy #140297 (Update example to use CStr::to_string_lossy)
• session: Cleanup CanonicalizedPath::new #140339 (session: Cleanup CanonicalizedPath::new)

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[jhpratt]

@bors r+ rollup p=4

[bors]

📌 Commit 60316bf has been approved by jhpratt

It is now in the queue for this repository.

[bors]

⌛ Testing commit 60316bf with merge ad2aaa8...

[rust-log-analyzer]

The job dist-aarch64-linux failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

   Compiling rustc_codegen_llvm v0.0.0 (/checkout/compiler/rustc_codegen_llvm)
error[E0308]: mismatched types
   --> compiler/rustc_codegen_llvm/src/back/lto.rs:677:54
    |
677 |             if attributes::has_string_attr(function, marker_ptr) {
    |                ---------------------------           ^^^^^^^^^^ expected `*const i8`, found `*const u8`
    |                |
    |                arguments to this function are incorrect
    |
    = note: expected raw pointer `*const i8`
               found raw pointer `*const u8`
note: function defined here
   --> compiler/rustc_codegen_llvm/src/attributes.rs:35:15
    |
35  | pub(crate) fn has_string_attr(llfn: &Value, name: *const i8) -> bool {
    |               ^^^^^^^^^^^^^^^               ---------------

error[E0308]: mismatched types
   --> compiler/rustc_codegen_llvm/src/back/lto.rs:685:68
    |
685 |                 attributes::remove_string_attr_from_llfn(function, marker_ptr);
    |                 ----------------------------------------           ^^^^^^^^^^ expected `*const i8`, found `*const u8`
    |                 |
    |                 arguments to this function are incorrect
    |
    = note: expected raw pointer `*const i8`
               found raw pointer `*const u8`
note: function defined here
   --> compiler/rustc_codegen_llvm/src/attributes.rs:43:15
    |
43  | pub(crate) fn remove_string_attr_from_llfn(llfn: &Value, name: *const i8) {
    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ---------------

error[E0308]: mismatched types
   --> compiler/rustc_codegen_llvm/src/back/lto.rs:688:60
    |
688 |                     !attributes::has_string_attr(function, marker_ptr),
    |                      ---------------------------           ^^^^^^^^^^ expected `*const i8`, found `*const u8`
    |                      |
    |                      arguments to this function are incorrect
    |
    = note: expected raw pointer `*const i8`
               found raw pointer `*const u8`
note: function defined here
   --> compiler/rustc_codegen_llvm/src/attributes.rs:35:15
    |
35  | pub(crate) fn has_string_attr(llfn: &Value, name: *const i8) -> bool {
    |               ^^^^^^^^^^^^^^^               ---------------

error[E0308]: mismatched types
  --> compiler/rustc_codegen_llvm/src/llvm/mod.rs:53:43
   |
53 |     unsafe { LLVMRustHasFnAttribute(llfn, name) }
   |              ----------------------       ^^^^ expected `*const u8`, found `*const i8`
   |              |
   |              arguments to this function are incorrect
   |
   = note: expected raw pointer `*const u8`
              found raw pointer `*const i8`
note: function defined here
  --> compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs:22:19
   |
22 |     pub(crate) fn LLVMRustHasFnAttribute(F: &Value, Name: *const c_char) -> bool;
   |                   ^^^^^^^^^^^^^^^^^^^^^^            ----

error[E0308]: mismatched types
  --> compiler/rustc_codegen_llvm/src/llvm/mod.rs:57:46
   |
57 |     unsafe { LLVMRustRemoveFnAttribute(llfn, name) }
   |              -------------------------       ^^^^ expected `*const u8`, found `*const i8`
   |              |
   |              arguments to this function are incorrect
   |
   = note: expected raw pointer `*const u8`
              found raw pointer `*const i8`
note: function defined here
  --> compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs:23:19
   |
23 |     pub(crate) fn LLVMRustRemoveFnAttribute(F: &Value, Name: *const c_char);
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^            ----

For more information about this error, try `rustc --explain E0308`.
[RUSTC-TIMING] rustc_codegen_llvm test:false 2.422
error: could not compile `rustc_codegen_llvm` (lib) due to 5 previous errors
---
   1: std::backtrace_rs::backtrace::trace_unsynchronized
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
   2: std::backtrace::Backtrace::create
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/std/src/backtrace.rs:331:13
   3: <anyhow::Error>::msg::<alloc::string::String>
             at /rust/deps/anyhow-1.0.97/src/backtrace.rs:27:14
   4: <opt_dist::exec::CmdBuilder>::run
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/exec.rs:80:17
   5: <opt_dist::exec::Bootstrap>::run
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/exec.rs:181:9
   6: opt_dist::execute_pipeline::{closure#1}::{closure#0}
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/main.rs:230:13
   7: <opt_dist::timer::TimerSection>::section::<opt_dist::execute_pipeline::{closure#1}::{closure#0}, ()>
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/timer.rs:111:22
   8: opt_dist::execute_pipeline::{closure#1}
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/main.rs:219:9
   9: <opt_dist::timer::TimerSection>::section::<opt_dist::execute_pipeline::{closure#1}, opt_dist::training::RustcPGOProfile>
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/timer.rs:111:22
  10: opt_dist::execute_pipeline
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/main.rs:216:29
  11: opt_dist::main
             at /rustc/ad2aaa8c61cabdf2f967b54c5057d8b9d20268e3/src/tools/opt-dist/src/main.rs:416:18
  12: <fn() -> core::result::Result<(), anyhow::Error> as core::ops::function::FnOnce<()>>::call_once
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/core/src/ops/function.rs:250:5
  13: std::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core::result::Result<(), anyhow::Error>, core::result::Result<(), anyhow::Error>>
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/std/src/sys/backtrace.rs:152:18
  14: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>::{closure#0}
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/std/src/rt.rs:199:18
  15: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/core/src/ops/function.rs:284:13
  16: std::panicking::try::do_call
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/std/src/panicking.rs:589:40
  17: std::panicking::try
             at /rustc/45165c82a4c5315ff52c391ad138f41ff40b52d8/library/std/src/panicking.rs:552:19

[bors]

💔 Test failed - checks-actions