Auto merge of rust-lang#140315 - matthiaskrgr:rollup-tmb35n8, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#139865 (Stabilize proc_macro::Span::{start,end,line,column}.)
 - rust-lang#140086 (If creating a temporary directory fails with permission denied then retry with backoff)
 - rust-lang#140216 (Document that "extern blocks must be unsafe" in Rust 2024)
 - rust-lang#140220 (Fix detection of main function if there are expressions around it)
 - rust-lang#140253 (Add XtensaAsmPrinter)
 - rust-lang#140272 (Improve error message for `||` (or) in let chains)
 - rust-lang#140305 (Track per-obligation recursion depth only if there is inference in the new solver)
 - rust-lang#140306 (handle specialization in the new trait solver)
 - rust-lang#140308 (stall generator witness obligations: add regression test)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

Cargo.lock

@@ -3699,6 +3699,9 @@ dependencies = [
 [[package]]
 name = "rustc_fs_util"
 version = "0.0.0"
+dependencies = [
+ "tempfile",
+]
 
 [[package]]
 name = "rustc_graphviz"
@@ -4011,7 +4014,6 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "tempfile",
  "tracing",
 ]
 

compiler/rustc_codegen_ssa/src/back/archive.rs

@@ -13,9 +13,9 @@ use object::read::archive::ArchiveFile;
 use object::read::macho::FatArch;
 use rustc_data_structures::fx::FxIndexSet;
 use rustc_data_structures::memmap::Mmap;
+use rustc_fs_util::TempDirBuilder;
 use rustc_session::Session;
 use rustc_span::Symbol;
-use tempfile::Builder as TempFileBuilder;
 use tracing::trace;
 
 use super::metadata::search_for_section;
@@ -501,7 +501,7 @@ impl<'a> ArArchiveBuilder<'a> {
         // it creates. We need it to be the default mode for back compat reasons however. (See
         // #107495) To handle this we are telling tempfile to create a temporary directory instead
         // and then inside this directory create a file using File::create.
-        let archive_tmpdir = TempFileBuilder::new()
+        let archive_tmpdir = TempDirBuilder::new()
             .suffix(".temp-archive")
             .tempdir_in(output.parent().unwrap_or_else(|| Path::new("")))
             .map_err(|err| {