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allow wasm target for rustc-ap-rustc_span #72003

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merged 3 commits into from
May 8, 2020
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ctaggart
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@ctaggart ctaggart commented May 8, 2020

This fixes #71998 by applying the work-a-round. The root cause is probably #56935, as @petrochenkov pointed out.

I reproduced the bug by:

cd ~/.cargo/registry/src/gh.neting.cc-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/
cargo build --target wasm32-unknown-unknown

Adding this line fixes it.

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r? @matthewjasper

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label May 8, 2020
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The job mingw-check of your PR failed (pretty log, 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.
========================== Starting Command Output ===========================
[command]/bin/bash --noprofile --norc /home/vsts/work/_temp/50273a91-06ce-4c93-9d8e-a7b990522616.sh

##[section]Finishing: Disable git automatic line ending conversion
##[section]Starting: Checkout rust-lang/rust@refs/pull/72003/merge to s
Task         : Get sources
Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
Version      : 1.0.0
Author       : Microsoft
---
##[command]git remote add origin https://github.com/rust-lang/rust
##[command]git config gc.auto 0
##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
##[command]git config --get-all http.proxy
##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/72003/merge:refs/remotes/pull/72003/merge
---
 ---> 3adb0605cc65
Step 6/7 : ENV RUN_CHECK_WITH_PARALLEL_QUERIES 1
 ---> Using cache
 ---> 28dbc326cb7f
Step 7/7 : ENV SCRIPT python3 ../x.py test src/tools/expand-yaml-anchors &&            python3 ../x.py check --target=i686-pc-windows-gnu --host=i686-pc-windows-gnu &&            python3 ../x.py build --stage 0 src/tools/build-manifest &&            python3 ../x.py test --stage 0 src/tools/compiletest &&            python3 ../x.py test src/tools/tidy &&            python3 ../x.py doc --stage 0 src/libstd &&            /scripts/validate-toolstate.sh
 ---> 537a01811900
Successfully built 537a01811900
Successfully tagged rust-ci:latest
Built container sha256:537a018119009dc218456238dec90b5530050db1e2a1e166550c218003f6159d
---

error: could not compile `rustc_span`.

To learn more, run the command again with --verbose.
command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "check" "--target" "x86_64-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "2" "--release" "--color" "always" "--features" " llvm" "--manifest-path" "/checkout/src/rustc/Cargo.toml" "--message-format" "json-render-diagnostics"
failed to run: /checkout/obj/build/bootstrap/debug/bootstrap check
Build completed unsuccessfully in 0:03:49
== clock drift check ==
  local time: Fri May  8 04:27:20 UTC 2020
  local time: Fri May  8 04:27:20 UTC 2020
  network time: Fri, 08 May 2020 04:27:20 GMT
== end clock drift check ==

##[error]Bash exited with code '1'.
##[section]Finishing: Run build
##[section]Starting: Checkout rust-lang/rust@refs/pull/72003/merge to s
Task         : Get sources
Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
Version      : 1.0.0
Author       : Microsoft
Author       : Microsoft
Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
==============================================================================
Cleaning any cached credential from repository: rust-lang/rust (GitHub)
##[section]Finishing: Checkout rust-lang/rust@refs/pull/72003/merge to s
Cleaning up task key
Start cleaning up orphan processes.
Terminate orphan process: pid (3775) (python)
##[section]Finishing: Finalize Job

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @rust-lang/infra. (Feature Requests)

src/librustc_span/lib.rs Outdated Show resolved Hide resolved
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@bors r+ rollup

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bors commented May 8, 2020

📌 Commit 732eaf8 has been approved by jonas-schievink

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels May 8, 2020
Dylan-DPC-zz pushed a commit to Dylan-DPC-zz/rust that referenced this pull request May 8, 2020
Work around ICEs during cross-compilation for target, ast, & attr

This applies the fix for rust-lang#72003 to work around rust-lang#56935 to three more libraries. With these additional fixes, I'm able to use rustfmt_lib from wasm (rust-lang/rustfmt#4132 (comment)), which was my goal.

To get it working locally and to test, I copied the `.cargo/registry/src` and applied the fix and replaced the reference in my project:
``` toml
[replace]
"rustc-ap-rustc_span:656.0.0" = { path = "../rustc-ap-rustc_span" }
"rustc-ap-rustc_target:656.0.0" = { path = "../rustc-ap-rustc_target" }
"rustc-ap-rustc_ast:656.0.0" = { path = "../rustc-ap-rustc_ast" }
"rustc-ap-rustc_attr:656.0.0" = { path = "../rustc-ap-rustc_attr" }
```
bors added a commit to rust-lang-ci/rust that referenced this pull request May 8, 2020
Rollup of 6 pull requests

Successful merges:

 - rust-lang#71581 (Unify lints handling in rustdoc)
 - rust-lang#71710 (Test for zero-sized function items not ICEing)
 - rust-lang#71970 (Improve bitcode generation for Apple platforms)
 - rust-lang#71975 (Reduce `TypedArena` creations in `check_match`.)
 - rust-lang#72003 (allow wasm target for rustc-ap-rustc_span)
 - rust-lang#72017 (Work around ICEs during cross-compilation for target, ast, & attr)

Failed merges:

r? @ghost
@bors bors merged commit b750ee4 into rust-lang:master May 8, 2020
thomaseizinger added a commit to thomaseizinger/rust that referenced this pull request Jan 29, 2021
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 7, 2021
…ustc-index, r=matthewjasper

Apply workaround from rust-lang#72003 for rust-lang#56935 to allow for cross-compilation of `rustc_index` crate

This patch applies the same workaround as rust-lang#72003 to the `rustc_index` crate. This allows recent versions of rustfmt to compile to wasm again.

Related: rust-lang#72017.
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panicked in libstd/macros.rs: inconsistent resolution for an import
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