Rollup of 15 pull requests

[Centril]

Successful merges:

• Don't actually create a full MIR stack frame when not needed #57351 (Don't actually create a full MIR stack frame when not needed)
• Optimise floating point is_finite (2x) and is_infinite (1.6x). #57353 (Optimise floating point is_finite (2x) and is_infinite (1.6x).)
• Always calculate glob map but only for glob uses #57392 (Always calculate glob map but only for glob uses)
• Improve the wording #57412 (Improve the wording)
• save-analysis: use a fallback when access levels couldn't be computed #57436 (save-analysis: use a fallback when access levels couldn't be computed)
• lldb_batchmode.py: try import _thread for Python 3 #57453 (lldb_batchmode.py: try import _thread for Python 3)
• Some cleanups for core::fmt #57454 (Some cleanups for core::fmt)
• Change String to &'static str in ParseResult::Failure. #57461 (Change String to &'static str in ParseResult::Failure.)
• std: Render large exit codes as hex on Windows #57473 (std: Render large exit codes as hex on Windows)
• save-analysis: Get path def from parent in case there's no def for the path itself. #57474 (save-analysis: Get path def from parent in case there's no def for the path itself.)
• Speed up item_bodies for large match statements involving regions #57494 (Speed up item_bodies for large match statements involving regions)
• re-do docs for core::cmp #57496 (re-do docs for core::cmp)
• rustdoc: Allow inlining of reexported crates and crate items #57508 (rustdoc: Allow inlining of reexported crates and crate items)
• Use ptr::eq where applicable #57547 (Use ptr::eq where applicable)
• hygiene: Do not treat Self ctor as a local variable #57560 (hygiene: Do not treat Self ctor as a local variable)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=15

[bors]

📌 Commit 8ec56b39a7a9361ac9253deeb7e22cc8c5436609 has been approved by Centril

[bors]

⌛ Testing commit 8ec56b39a7a9361ac9253deeb7e22cc8c5436609 with merge c4ed8a90966869f7df539446b3b483a464387f12...

[bors]

💔 Test failed - checks-travis

[rust-highfive]

The job x86_64-gnu-tools of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

[01:32:15]     |                                       ^^^^^^^^^^
[01:32:15] 
[01:33:15] [RUSTC-TIMING] racer test:false 65.267
[01:33:40] [RUSTC-TIMING] rustfmt_nightly test:false 90.581
[01:33:42] error[E0433]: failed to resolve: could not find `MakeGlobMap` in `rustc_resolve`
[01:33:42]     |
[01:33:42]     |
[01:33:42] 349 |         result.make_glob_map = rustc_resolve::MakeGlobMap::Yes;
[01:33:42]     |                                               ^^^^^^^^^^^ could not find `MakeGlobMap` in `rustc_resolve`
[01:33:42] 
[01:33:44] error[E0609]: no field `make_glob_map` on type `build::rustc::rustc_driver::driver::CompileController<'_>`
[01:33:44]     |
[01:33:44]     |
[01:33:44] 349 |         result.make_glob_map = rustc_resolve::MakeGlobMap::Yes;
[01:33:44]     |
[01:33:44]     |
[01:33:44]     = note: available fields are: `after_parse`, `after_expand`, `after_hir_lowering`, `after_analysis`, `compilation_done` ... and 4 others
[01:33:45] error: aborting due to 2 previous errors
[01:33:45] 
[01:33:45] Some errors occurred: E0433, E0609.
[01:33:45] For more information about an error, try `rustc --explain E0433`.
---
travis_time:end:126b697a:start=1547351710255101469,finish=1547351710266468757,duration=11367288
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:0da011fb
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:003a933b
travis_time:start:003a933b
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:1e76ff26
$ dmesg | grep -i kill

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