Rollup of 4 pull requests

[matthiaskrgr]

Successful merges:

• Document futility of printing temporary pointers #127879 (Document futility of printing temporary pointers)
• simplify Build::update_existing_submodule #130336 (simplify Build::update_existing_submodule)
• Add system libs for LLVM when cross compiling for Windows #130398 (Add system libs for LLVM when cross compiling for Windows)
• Don't ICE when RPITIT captures more method args than trait definition #130412 (Don't ICE when RPITIT captures more method args than trait definition)

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=4

[bors]

📌 Commit 2c27dcf has been approved by matthiaskrgr

It is now in the queue for this repository.

[rust-log-analyzer]

The job x86_64-gnu-llvm-17 failed! Check out the build log: (web) (plain)

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

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 > importing cache manifest from ghcr.io/rust-lang/rust-ci-cache:fb97a1d6377f6cf2227825318ca4bbde3889e0c420746f5a03ba46a07e9a862725c26a09b9fc49a0d129ebd75935d3f6cd19acf41cc4267a6846fd4aa574b12c:
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##[endgroup]
Setting extra environment values for docker:  --env ENABLE_GCC_CODEGEN=1 --env GCC_EXEC_PREFIX=/usr/lib/gcc/
[CI_JOB_NAME=x86_64-gnu-llvm-17]
---
sccache: Starting the server...
##[group]Configure the build
configure: processing command line
configure: 
configure: build.configure-args := ['--build=x86_64-unknown-linux-gnu', '--llvm-root=/usr/lib/llvm-17', '--enable-llvm-link-shared', '--set', 'rust.randomize-layout=true', '--set', 'rust.thin-lto-import-instr-limit=10', '--set', 'change-id=99999999', '--enable-verbose-configure', '--enable-sccache', '--disable-manage-submodules', '--enable-locked-deps', '--enable-cargo-native-static', '--set', 'rust.codegen-units-std=1', '--set', 'dist.compression-profile=balanced', '--dist-compression-formats=xz', '--set', 'rust.lld=false', '--disable-dist-src', '--release-channel=nightly', '--enable-debug-assertions', '--enable-overflow-checks', '--enable-llvm-assertions', '--set', 'rust.verify-llvm-ir', '--set', 'rust.codegen-backends=llvm,cranelift,gcc', '--set', 'llvm.static-libstdcpp', '--enable-new-symbol-mangling']
configure: target.x86_64-unknown-linux-gnu.llvm-config := /usr/lib/llvm-17/bin/llvm-config
configure: llvm.link-shared     := True
configure: rust.randomize-layout := True
configure: rust.thin-lto-import-instr-limit := 10
---

running 245 tests
........................................................................................  88/245
........................................................................................ 176/245
...................................2024-09-16T06:44:24.586620Z ERROR compiletest::runtest: fatal error, panic: "crashtest no longer crashes/triggers ICE, horray! Please give it a meaningful name, add a doc-comment to the start of the test explaining why it exists and move it to tests/ui or wherever you see fit. Adding 'Fixes #<issueNr>' to your PR description ensures that the corresponding ticket is auto-closed upon merge."
[crashes] tests/crashes/129850.rs ... F
.................................

failures:
failures:

---- [crashes] tests/crashes/129850.rs stdout ----

error: crashtest no longer crashes/triggers ICE, horray! Please give it a meaningful name, add a doc-comment to the start of the test explaining why it exists and move it to tests/ui or wherever you see fit. Adding 'Fixes #<issueNr>' to your PR description ensures that the corresponding ticket is auto-closed upon merge.
thread '[crashes] tests/crashes/129850.rs' panicked at src/tools/compiletest/src/runtest.rs:368:18:
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace


failures:

[jieyouxu]

#130412 fixes #129850 so that no longer ICEs