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Clang and gcc use this option to control linking behavior too. Some targets need to be linked against a special crt which enables profiling at runtime. This makes using gprof a little easier with Rust binaries. Otherwise, rustc must be passed `-Clink-args=-pg` to ensure the correct startup code is linked.
mingw exposes the `_mcount` symbol for profiling.
libgmon needs to be linked. This also requires readding a few other system libraries to satisfy its dependencies.
The warning has no error code, so in a `-D warnings` environment, it's impossible to ignore if it consistently breaks your build. Change it to a note so it is still visible, but doesn't break the build
Remove the confusing word "error". The diagnostic is already prefixed
with a level when it is displayed, so this is redundant and possibly
confusing ("warning: error ...").
Add some help text summarizing the impact of what happened: the next
build won't be able to reuse work from the current run.
…e fail Use a proc macro to observe the incremental session directory and do something platform specific so that renaming the '-working' session directory during finalize_session_directory will fail. On Unix, change the permissions on the parent directory to be read-only. On Windows, open and leak a file inside the `-working` directory.
``` error[E0061]: this method takes 0 arguments but 1 argument was supplied --> $DIR/shadowed-intrinsic-method.rs:18:7 | LL | a.borrow(()); | ^^^^^^ -- unexpected argument of type `()` | note: the `borrow` call is resolved to the method in `std::borrow::Borrow`, shadowing the method of the same name on the inherent impl for `A` --> $DIR/shadowed-intrinsic-method.rs:18:7 | LL | use std::borrow::Borrow; | ------------------- `std::borrow::Borrow` imported here ... LL | a.borrow(()); | ^^^^^^ refers to `std::borrow::Borrow::borrow` note: method defined here --> $SRC_DIR/core/src/borrow.rs:LL:COL help: you might have meant to call the other method; you can use the fully-qualified path to call it explicitly | LL - a.borrow(()); LL + A::borrow(&mut a, ()); | help: remove the extra argument | LL - a.borrow(()); LL + a.borrow(); | ```
Handle correct gramar in the face of a single other option, or many.
* Create GPU target notification group * Update triagebot.toml Co-authored-by: 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com>
Pass -pg to linker when using -Zinstrument-mcount This selects a slightly different crt on gnu targets which enables the profiler within glibc. This makes using gprof a little easier with Rust binaries. Otherwise, rustc must be passed `-Clink-args=-pg` to ensure the correct startup code is linked.
…rray-ice, r=chenyukang Remove divergence check from check_expr_array Fixes rust-lang#153695. `check_expr_array` currently assumes it should only be entered with` self.diverges == Diverges::Maybe`, but that assumption does not appear to hold in all valid cases. A never-pattern parameter can seed a function or closure body with inherited `Diverges::Always`, and exprs in that body are still typecked.
move many tests out of `ui/unsafe` `ui/unsafe` is a pretty big and generic directory. This PR moves some tests from it to `ui/union` and some others to a new `rustc_layout_scalar_valid_range` directory. r? @Kivooeo
…ath, r=davidtwco Suggest fully qualified path on method name collision Provide suggestion for using a fully qualified path when method names collide between traits and inherent impl. ``` error[E0061]: this method takes 0 arguments but 1 argument was supplied --> $DIR/shadowed-intrinsic-method.rs:20:7 | LL | a.borrow(()); | ^^^^^^ -- unexpected argument of type `()` | note: the `borrow` call is resolved to the method in `std::borrow::Borrow`, shadowing the method of the same name on the inherent impl for `A` --> $DIR/shadowed-intrinsic-method.rs:20:7 | LL | use std::borrow::Borrow; | ------------------- `std::borrow::Borrow` imported here ... LL | a.borrow(()); | ^^^^^^ refers to `std::borrow::Borrow::borrow` note: method defined here --> $SRC_DIR/core/src/borrow.rs:LL:COL help: you might have meant to call the other method; you can use the fully-qualified path to call it explicitly | LL - a.borrow(()); LL + A::borrow(&mut a, ()); | help: remove the extra argument | LL - a.borrow(()); LL + a.borrow(); | ``` Fix rust-lang#54103.
simd_add/sub/mul/neg: document overflow behavior `simd_neg` had an odd comment about overflow not being UB, without saying what the behavior is instead. Replace that by just saying this uses wrapping arithmetic, and add the same for add/sub/mul. div/rem are already documented to cause UB on div-by-zero and min-div-by-minus-one, and shl/shr cause UB on too large shift amounts.
…r=wesleywiser Change "error finalizing incremental compilation" text and emit it as a note, not a warning As mentioned in rust-lang#151181 (comment) and rust-lang#151181 (comment) the current message could be improved: 1. Right now it displays as "warning: error ..." which is confusing (is it an error or a warning) 2. It doesn't give the user a clear indication of what the consequences are 3. The _current_ build is successful. The _next_ build might be slower The new message is now ```text note: did not finalize incremental compilation session directory ... | = help: the next build will not be able to reuse work from this compilation ``` I started a zulip thread [#t-compiler/incremental > Ergonomics of "error finalizing incremental session"](https://rust-lang.zulipchat.com/#narrow/channel/241847-t-compiler.2Fincremental/topic/Ergonomics.20of.20.22error.20finalizing.20incremental.20session.22/with/580191447)
…roup, r=jieyouxu Create GPU target notification group Creating the notification group for the newly created GPU target (see [mcp#960](https://rust-lang.zulipchat.com/#narrow/channel/233931-t-compiler.2Fmajor-changes/topic/Create.20a.20GPU.20notification.20group.20compiler-team.23960/near/568629680)) I'm following these [steps](rust-lang#133334). (feel free to suggest a better wording) r? @jieyouxu
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Successful merges:
ui/unsafe#154418 (move many tests out ofui/unsafe)r? @ghost
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