Rollup of 11 pull requests #38834
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Rollup of 11 pull requests #38834
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```rust let vr = v.iter().filter(|x| { x % 2 == 0 }); ``` will now yield the following compiler output: ```bash ERROR binary operation `%` cannot be applied to type `&&_` NOTE this is a reference of a reference to a type that `%` can be applied to, you need to dereference this variable once for this operation to work NOTE an implementation of `std::ops::Rem` might be missing for `&&_` ``` The first NOTE is new. Bug rust-lang#33877 
We don't actually use trampoline_setup.c and all the `*tf3` business seems related to f80/f128 business. Specifically this'll fix some warnings showing up during builds on OSX.
Since 8285ab5, which was merged in with rust-lang#38061, the help for the --print option is missing the surrounding [ ] around the possible options. Signed-off-by: Doug Goldstein <cardoe@cardoe.com>
Due to rust-lang#28728 loop {} is very risky and can lead to fun debugging experiences like in rust-lang#38136. Besides, aborting is probably better behavior than an infinite loop.
book: use abort() over loop {} for panic Due to rust-lang#28728 `loop {}` is very risky and can lead to fun debugging experiences such as rust-lang#38136. Besides, aborting is probably better behavior than an infinite loop. r? @steveklabnik Clarify zero-value behavior of `ctlz`/`cttz` intrinsics. Fixes rust-lang#34381.
…aumeGomez Clarify behavior of `VecDeque::insert`. Fixes rust-lang#37046.
…nkov Test for appropriate span on second custom derive Adds test for and closes rust-lang#36935.
Detect double reference when applying binary op ``` rust let vr = v.iter().filter(|x| { x % 2 == 0 }); ``` will now yield the following compiler output: ``` bash ERROR binary operation `%` cannot be applied to type `&&_` NOTE this is a reference of a reference to a type that `%` can be applied to, you need to dereference this variable once for this operation to work NOTE an implementation of `std::ops::Rem` might be missing for `&&_` ``` The first NOTE is new. Fix rust-lang#33877 ---- Thanks to @estebank for providing the original PR rust-lang#34420 (of which this is a tweaked rebase). …turon std: Remove unused objects from compiler-builtins We don't actually use trampoline_setup.c and all the `*tf3` business seems related to f80/f128 business. Specifically this'll fix some warnings showing up during builds on OSX.
Fix doc for `escape_debug`
Replace uses of `#[unsafe_destructor_blind_to_params]` with `#[may_dangle]` CC rust-lang#34761 r? @pnkfelix
fix help for the --print option Since 8285ab5, which was merged in with rust-lang#38061, the help for the --print option is missing the surrounding [ ] around the possible options. Signed-off-by: Doug Goldstein <cardoe@cardoe.com>
…meGomez Add more docs for CoerceUnsized and Unsize here be dragons r? @ubsan @steveklabnik
| @bors: r+ p=1 |
| 📌 Commit 6316e43 has been approved by |
| r? @brson (rust_highfive has picked a reviewer for you, use r? to override) |
| ⌛ Testing commit 6316e43 with merge 00f0990... |
| 💔 Test failed - status-travis |
| Hmm, it seems I screwed up my fix to #38617 ; I recognize that old use of I thought I had pushed the corrected version but obviously I did not. |
| Aha: I did push a corrected commit: b8669df but bors interpreted my r+ here: #38617 (comment) as if it was referring to 98218b3 (again!) |
| ☔ The latest upstream changes (presumably #38138) made this pull request unmergeable. Please resolve the merge conflicts. |
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ctlz/cttzintrinsics. #38310, Clarify behavior ofVecDeque::insert. #38581, Test for appropriate span on second custom derive #38607, Detect double reference when applying binary op #38617, std: Remove unused objects from compiler-builtins #38623, Fix doc forescape_debug#38629, Replace uses of#[unsafe_destructor_blind_to_params]with#[may_dangle]#38664, Doc fix #38799, fix help for the --print option #38815, Add more docs for CoerceUnsized and Unsize #38816