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[experiment] reliable float experiments#140424

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@tgross35tgross35 commentedApr 29, 2025•
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Trying a few blocked things based on top of#140323.

r?@ghost

try-job: aarch64-gnu
try-job: i686-gnu-1
try-job: i686-msvc-1
try-job: test-various
try-job: x86_64-gnu
try-job: x86_64-msvc-ext2
try-job: x86_64-gnu-llvm-19-1
try-job: x86_64-gnu-llvm-20-1

tgross35and others added5 commitsApril 27, 2025 19:58
Support for `f16` and `f128` is varied across targets, backends, andbackend versions. Eventually we would like to reach a point where allbackends support these approximately equally, but until then we have towork around some of these nuances of support being observable.Introduce the `cfg_target_has_reliable_f16_f128` internal feature, whichprovides the following new configuration gates:* `cfg(target_has_reliable_f16)`* `cfg(target_has_reliable_f16_math)`* `cfg(target_has_reliable_f128)`* `cfg(target_has_reliable_f128_math)``reliable_f16` and `reliable_f128` indicate that basic arithmetic forthe type works correctly. The `_math` versions indicate that anythingrelying on `libm` works correctly, since sometimes this hits a separateclass of codegen bugs.These options match configuration set by the build script at [1]. Thelogic for LLVM support is duplicated as-is from the same script. Thereare a few possible updates that will come as a follow up.The config introduced here is not planned to ever become stable, it isonly intended to replace the build scripts for `std` tests and`compiler-builtins` that don't have any way to configure based on thecodegen backend.MCP:rust-lang/compiler-team#866Closes:rust-lang/compiler-team#866[1]:https://github.com/rust-lang/rust/blob/555e1d0386f024a8359645c3217f4b3eae9be042/library/std/build.rs#L84-L186
New compiler configuration has been introduced that is designed toreplace the build script configuration `reliable_f16`, `reliable_f128`,`reliable_f16_math`, and `reliable_f128_math`. Do this replacement here,which allows us to clean up `std`'s build script.All tests are gated by `#[cfg(bootstrap)]` rather than doing a morecomplicated `cfg(bootstrap)` / `cfg(not(bootstrap))` split since thenext beta split is within two weeks.
Use the existing Lemire (decimal -> float) and Dragon / Grisu algorithms(float -> decimal) to add support for `f16`. This allows updating theimplementation for `Display` to the expected behavior for `Display`(currently it prints the a hex bitwise representation) and adds a`FromStr` implementation.(cherry picked from commit4c57b48)
Extend the existing tests for `f32` and `f64` with versions that include`f16`'s new printing and parsing implementations.Co-authored-by: Speedy_Lex <alex.ciocildau@gmail.com>(cherry picked from commitc4c7d6c)
This requires a fix to the subnormal test to cap the maximum allowedvalue within the maximum mantissa.(cherry picked from commitcb40d2d)
@rustbotrustbot added A-testsuiteArea: The testsuite used to check the correctness of rustc S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties. T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compilerRelevant to the compiler team, which will review and decide on the PR/issue. T-libsRelevant to the library team, which will review and decide on the PR/issue. labelsApr 29, 2025
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bors added a commit to rust-lang-ci/rust that referenced this pull requestApr 29, 2025
[experiment] reliable float experimentsTrying a few blocked things based on top ofrust-lang#140323.r? `@ghost`try-job: aarch64-gnutry-job: i686-gnu-1try-job: i686-msvc-1try-job: test-varioustry-job: x86_64-gnutry-job: x86_64-msvc-ext2
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⌛ Trying commite56745d with mergefdb4623...

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⌛ Trying commite56745d with mergebd15dd1...

bors added a commit to rust-lang-ci/rust that referenced this pull requestApr 29, 2025
[experiment] reliable float experimentsTrying a few blocked things based on top ofrust-lang#140323.r? `@ghost`try-job: x86_64-gnu-llvm-19-1try-job: x86_64-gnu-llvm-20-1
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⌛ Trying commit67a01a2 with merge03aa404...

bors added a commit to rust-lang-ci/rust that referenced this pull requestApr 29, 2025
[experiment] reliable float experimentsTrying a few blocked things based on top ofrust-lang#140323.r? `@ghost`try-job: aarch64-gnutry-job: i686-gnu-1try-job: i686-msvc-1try-job: test-varioustry-job: x86_64-gnutry-job: x86_64-msvc-ext2try-job: x86_64-gnu-llvm-19-1try-job: x86_64-gnu-llvm-20-1
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The jobtest-various failed! Check out the build log:(web)(plain)

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file:.git/config remote.origin.url=https://github.com/rust-lang-ci/rustfile:.git/config remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*file:.git/config gc.auto=0file:.git/config http.https://github.com/.extraheader=AUTHORIZATION: basic ***file:.git/config branch.try.remote=originfile:.git/config branch.try.merge=refs/heads/tryfile:.git/config submodule.library/backtrace.active=truefile:.git/config submodule.library/backtrace.url=https://github.com/rust-lang/backtrace-rs.gitfile:.git/config submodule.library/stdarch.active=truefile:.git/config submodule.library/stdarch.url=https://github.com/rust-lang/stdarch.gitfile:.git/config submodule.src/doc/book.active=true---   |13 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change --> library/coretests/tests/num/dec2flt/float.rs:6:7  |6 | #[cfg(target_has_reliable_f16)]  |       ^^^^^^^^^^^^^^^^^^^^^^^  |  = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable  = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/dec2flt/float.rs:59:7   |59 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change --> library/coretests/tests/num/dec2flt/lemire.rs:5:7  |5 | #[cfg(target_has_reliable_f16)]  |       ^^^^^^^^^^^^^^^^^^^^^^^  |  = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable  = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/dec2flt/lemire.rs:24:7   |24 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/mod.rs:79:7   |79 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:186:7    |186 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:245:7    |245 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:294:7    |294 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:643:11    |643 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:768:11    |768 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:923:11    |923 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change    --> library/coretests/tests/num/flt2dec/mod.rs:1222:11     |1222 |     #[cfg(target_has_reliable_f16)]     |           ^^^^^^^^^^^^^^^^^^^^^^^     |     = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable     = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change    --> library/coretests/tests/num/flt2dec/mod.rs:1239:11     |1239 |     #[cfg(target_has_reliable_f16)]     |           ^^^^^^^^^^^^^^^^^^^^^^^     |     = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable     = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/dec2flt/mod.rs:97:11   |97 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:106:11    |106 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:115:11    |115 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:124:11    |124 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:133:11    |133 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:149:11    |149 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:165:11    |165 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/dragon.rs:22:11   |22 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/dragon.rs:49:11   |49 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/grisu.rs:42:11   |42 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/grisu.rs:57:11   |57 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateFor more information about this error, try `rustc --explain E0658`.[RUSTC-TIMING] coretests test:true 24.518error: could not compile `coretests` (test "coretests") due to 25 previous errors

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⌛ Trying commit274bf8f with merge5bc85be...

bors added a commit to rust-lang-ci/rust that referenced this pull requestApr 29, 2025
[experiment] reliable float experimentsTrying a few blocked things based on top ofrust-lang#140323.r? `@ghost`try-job: aarch64-gnutry-job: i686-gnu-1try-job: i686-msvc-1try-job: test-varioustry-job: x86_64-gnutry-job: x86_64-msvc-ext2try-job: x86_64-gnu-llvm-19-1try-job: x86_64-gnu-llvm-20-1
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The jobx86_64-gnu-llvm-20-1 failed! Check out the build log:(web)(plain)

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file:.git/config remote.origin.url=https://github.com/rust-lang-ci/rustfile:.git/config remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*file:.git/config gc.auto=0file:.git/config http.https://github.com/.extraheader=AUTHORIZATION: basic ***file:.git/config branch.try.remote=originfile:.git/config branch.try.merge=refs/heads/tryfile:.git/config submodule.library/backtrace.active=truefile:.git/config submodule.library/backtrace.url=https://github.com/rust-lang/backtrace-rs.gitfile:.git/config submodule.library/stdarch.active=truefile:.git/config submodule.library/stdarch.url=https://github.com/rust-lang/stdarch.gitfile:.git/config submodule.src/doc/book.active=true---   |13 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change --> library/coretests/tests/num/dec2flt/float.rs:6:7  |6 | #[cfg(target_has_reliable_f16)]  |       ^^^^^^^^^^^^^^^^^^^^^^^  |  = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable  = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/dec2flt/float.rs:59:7   |59 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change --> library/coretests/tests/num/dec2flt/lemire.rs:5:7  |5 | #[cfg(target_has_reliable_f16)]  |       ^^^^^^^^^^^^^^^^^^^^^^^  |  = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable  = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/dec2flt/lemire.rs:24:7   |24 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/random.rs:83:7   |83 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/random.rs:124:7    |124 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/random.rs:178:7    |178 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/random.rs:210:7    |210 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/mod.rs:79:7   |79 | #[cfg(target_has_reliable_f16)]   |       ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:186:7    |186 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:245:7    |245 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:294:7    |294 | #[cfg(target_has_reliable_f16)]    |       ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:643:11    |643 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:768:11    |768 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/mod.rs:923:11    |923 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change    --> library/coretests/tests/num/flt2dec/mod.rs:1222:11     |1222 |     #[cfg(target_has_reliable_f16)]     |           ^^^^^^^^^^^^^^^^^^^^^^^     |     = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable     = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change    --> library/coretests/tests/num/flt2dec/mod.rs:1239:11     |1239 |     #[cfg(target_has_reliable_f16)]     |           ^^^^^^^^^^^^^^^^^^^^^^^     |     = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable     = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/dec2flt/mod.rs:97:11   |97 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:106:11    |106 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:115:11    |115 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:124:11    |124 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:133:11    |133 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:149:11    |149 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/dec2flt/mod.rs:165:11    |165 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/dragon.rs:22:11   |22 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/dragon.rs:49:11   |49 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/grisu.rs:42:11   |42 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change  --> library/coretests/tests/num/flt2dec/strategy/grisu.rs:57:11   |57 |     #[cfg(target_has_reliable_f16)]   |           ^^^^^^^^^^^^^^^^^^^^^^^   |   = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable   = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of dateerror[E0658]: `cfg(target_has_reliable_f16)` is experimental and subject to change   --> library/coretests/tests/num/flt2dec/random.rs:171:11    |171 |     #[cfg(target_has_reliable_f16)]    |           ^^^^^^^^^^^^^^^^^^^^^^^    |    = help: add `#![feature(cfg_target_has_reliable_f16_f128)]` to the crate attributes to enable    = note: this compiler was built on 2025-04-29; consider upgrading it if it is out of date[RUSTC-TIMING] path test:true 17.635[RUSTC-TIMING] seq_compare test:true 0.432[RUSTC-TIMING] thread_local test:true 3.633

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The jobx86_64-gnu-llvm-19 failed! Check out the build log:(web)(plain)

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#18 exporting to docker image format#18 sending tarball 20.4s done#18 DONE 26.4s##[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-19][CI_JOB_NAME=x86_64-gnu-llvm-19]debug: `DISABLE_CI_RUSTC_IF_INCOMPATIBLE` configured.---sccache: Listening on address 127.0.0.1:4226##[group]Configure the buildconfigure: processing command lineconfigure: configure: build.configure-args := ['--build=x86_64-unknown-linux-gnu', '--llvm-root=/usr/lib/llvm-19', '--enable-llvm-link-shared', '--set', 'rust.randomize-layout=true', '--set', 'rust.thin-lto-import-instr-limit=10', '--set', 'build.print-step-timings', '--enable-verbose-tests', '--set', 'build.metrics', '--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', '--set', 'gcc.download-ci-gcc=true', '--enable-new-symbol-mangling']configure: build.build          := x86_64-unknown-linux-gnuconfigure: target.x86_64-unknown-linux-gnu.llvm-config := /usr/lib/llvm-19/bin/llvm-configconfigure: llvm.link-shared     := Trueconfigure: rust.randomize-layout := Trueconfigure: rust.thin-lto-import-instr-limit := 10---[TEST] sysroot[COPY] sysroot_tests source[PATCH] "sysroot_tests" <- "0027-sysroot_tests-128bit-atomic-operations.patch"error: patch failed: coretests/tests/lib.rs:2error: coretests/tests/lib.rs: patch does not applyPatch failed at 0001 Disable 128bit atomic operationshint: Use 'git am --show-current-patch=diff' to see the failed patchhint: When you have resolved this problem, run "git am --continue".hint: If you prefer to skip this patch, run "git am --skip" instead.hint: To restore the original branch and stop patching, run "git am --abort".hint: Disable this message with "git config advice.mergeConflict false"cd "/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-tools/cg_clif/build/sysroot_tests" && "git" "-c" "user.name=Dummy" "-c" "user.email=dummy@example.com" "-c" "core.autocrlf=false" "-c" "commit.gpgSign=false" "am" "/checkout/compiler/rustc_codegen_cranelift/patches/0027-sysroot_tests-128bit-atomic-operations.patch" "-q" exited with status ExitStatus(unix_wait_status(32768))Command has failed. Rerun with -v to see more details.Build completed unsuccessfully in 0:24:06  local time: Tue Apr 29 05:23:24 UTC 2025  network time: Tue, 29 Apr 2025 05:23:24 GMT##[error]Process completed with exit code 1.Post job cleanup.

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The jobtest-various failed! Check out the build log:(web)(plain)

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file:.git/config remote.origin.url=https://github.com/rust-lang-ci/rustfile:.git/config remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*file:.git/config gc.auto=0file:.git/config http.https://github.com/.extraheader=AUTHORIZATION: basic ***file:.git/config branch.try.remote=originfile:.git/config branch.try.merge=refs/heads/tryfile:.git/config submodule.library/backtrace.active=truefile:.git/config submodule.library/backtrace.url=https://github.com/rust-lang/backtrace-rs.gitfile:.git/config submodule.library/stdarch.active=truefile:.git/config submodule.library/stdarch.url=https://github.com/rust-lang/stdarch.gitfile:.git/config submodule.src/doc/book.active=true

@tgross35tgross35 deleted the float-experiments branchApril 29, 2025 05:36
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The jobtest-various failed! Check out the build log:(web)(plain)

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file:.git/config remote.origin.url=https://github.com/rust-lang-ci/rustfile:.git/config remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*file:.git/config gc.auto=0file:.git/config http.https://github.com/.extraheader=AUTHORIZATION: basic ***file:.git/config branch.try.remote=originfile:.git/config branch.try.merge=refs/heads/tryfile:.git/config submodule.library/backtrace.active=truefile:.git/config submodule.library/backtrace.url=https://github.com/rust-lang/backtrace-rs.gitfile:.git/config submodule.library/stdarch.active=truefile:.git/config submodule.library/stdarch.url=https://github.com/rust-lang/stdarch.gitfile:.git/config submodule.src/doc/book.active=true

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