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Travis Wagner
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imported library/backtrace into main repository
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‎.gitmodules

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path = src/llvm-project
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url = https://github.com/rust-lang/llvm-project.git
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branch = rustc/16.0-2023-06-05
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[submodule "library/backtrace"]
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path = library/backtrace
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url = https://github.com/rust-lang/backtrace-rs.git

‎library/backtrace

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‎library/backtrace/.github/workflows/check-binary-size.yml

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# This workflow checks if a PR commit has changed the size of a hello world Rust program.
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# It downloads Rustc and compiles two versions of a stage0 compiler - one using the base commit
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# of the PR, and one using the latest commit in the PR.
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# If the size of the hello world program has changed, it posts a comment to the PR.
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name: Check binary size
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on:
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pull_request_target:
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branches:
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- master
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jobs:
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test:
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name: Check binary size
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runs-on: ubuntu-latest
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permissions:
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pull-requests: write
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steps:
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- name: Print info
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run: |
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echo "Current SHA: ${{ github.event.pull_request.head.sha }}"
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echo "Base SHA: ${{ github.event.pull_request.base.sha }}"
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- name: Clone Rustc
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uses: actions/checkout@v3
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with:
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repository: rust-lang/rust
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fetch-depth: 1
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- name: Fetch backtrace
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run: git submodule update --init library/backtrace
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- name: Create hello world program that uses backtrace
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run: printf "fn main() { panic!(); }" > foo.rs
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- name: Build binary with base version of backtrace
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run: |
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printf "[llvm]\ndownload-ci-llvm = true\n\n[rust]\nincremental = false\n" > config.toml
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cd library/backtrace
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git remote add head-pr https://github.com/${{ github.event.pull_request.head.repo.full_name }}
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git fetch --all
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git checkout ${{ github.event.pull_request.base.sha }}
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cd ../..
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git add library/backtrace
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python3 x.py build library --stage 0
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./build/x86_64-unknown-linux-gnu/stage0-sysroot/bin/rustc -O foo.rs -o binary-reference
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- name: Build binary with PR version of backtrace
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run: |
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cd library/backtrace
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git checkout ${{ github.event.pull_request.head.sha }}
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cd ../..
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git add library/backtrace
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rm -rf build/x86_64-unknown-linux-gnu/stage0-std
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python3 x.py build library --stage 0
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./build/x86_64-unknown-linux-gnu/stage0-sysroot/bin/rustc -O foo.rs -o binary-updated
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- name: Display binary size
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run: |
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ls -la binary-*
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echo "SIZE_REFERENCE=$(stat -c '%s' binary-reference)" >> "$GITHUB_ENV"
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echo "SIZE_UPDATED=$(stat -c '%s' binary-updated)" >> "$GITHUB_ENV"
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- name: Post a PR comment if the size has changed
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uses: actions/github-script@v6
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with:
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script: |
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const reference = process.env.SIZE_REFERENCE;
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const updated = process.env.SIZE_UPDATED;
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const diff = updated - reference;
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const plus = diff > 0 ? "+" : "";
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const diff_str = `${plus}${diff}B`;
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if (diff !== 0) {
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const percent = (((updated / reference) - 1) * 100).toFixed(2);
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// The body is created here and wrapped so "weirdly" to avoid whitespace at the start of the lines,
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// which is interpreted as a code block by Markdown.
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const body = `Below is the size of a hello-world Rust program linked with libstd with backtrace.
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Original binary size: **${reference}B**
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Updated binary size: **${updated}B**
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Difference: **${diff_str}** (${percent}%)`;
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github.rest.issues.createComment({
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issue_number: context.issue.number,
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owner: context.repo.owner,
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repo: context.repo.repo,
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body
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})
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}

‎library/backtrace/.github/workflows/main.yml

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name: CI
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on:
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push:
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branches:
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- master
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pull_request:
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branches:
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- master
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jobs:
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test:
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name: Test
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runs-on: ${{ matrix.os }}
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strategy:
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fail-fast: false
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matrix:
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include:
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- os: ubuntu-20.04
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rust: stable
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- os: ubuntu-20.04
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rust: beta
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- os: ubuntu-20.04
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rust: nightly
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- os: macos-latest
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rust: stable
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- os: macos-latest
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rust: nightly
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# Note that these are on nightly due to rust-lang/rust#63700 not being
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# on stable yet
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- os: windows-latest
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rust: stable-x86_64-msvc
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- os: windows-latest
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rust: stable-i686-msvc
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- os: windows-latest
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rust: stable-x86_64-gnu
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- name: Install Rust (rustup)
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run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
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shell: bash
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- run: echo RUSTFLAGS=-Dwarnings >> $GITHUB_ENV
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shell: bash
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# full fidelity of backtraces on 32-bit msvc requires frame pointers, so
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# enable that for our tests
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- name: Force frame pointers
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run: echo RUSTFLAGS="-Cforce-frame-pointers $RUSTFLAGS" >> $GITHUB_ENV
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shell: bash
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if: matrix.rust == 'stable-i686-msvc'
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- run: cargo build
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- run: cargo test
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- run: cargo test --features "serialize-rustc"
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- run: cargo test --features "serialize-serde"
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- run: cargo test --features "verify-winapi"
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- run: cargo test --features "cpp_demangle"
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- run: cargo test --no-default-features
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- run: cargo test --no-default-features --features "std"
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- run: cargo test --manifest-path crates/cpp_smoke_test/Cargo.toml
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# This test is specifically about packed debuginfo with `*.dSYM` files
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- run: cargo test --manifest-path crates/macos_frames_test/Cargo.toml
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env:
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CARGO_PROFILE_DEV_SPLIT_DEBUGINFO: packed
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CARGO_PROFILE_TEST_SPLIT_DEBUGINFO: packed
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- run: cargo test --features gimli-symbolize --manifest-path crates/without_debuginfo/Cargo.toml
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- run: cargo test --manifest-path crates/line-tables-only/Cargo.toml --features gimli-symbolize
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# Test debuginfo compression still works
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- run: cargo test
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if: contains(matrix.os, 'ubuntu')
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env:
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RUSTFLAGS: "-C link-arg=-Wl,--compress-debug-sections=zlib-gabi"
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- run: cargo test
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if: contains(matrix.os, 'ubuntu')
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env:
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RUSTFLAGS: "-C link-arg=-Wl,--compress-debug-sections=zlib-gnu"
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# Test that, on macOS, packed/unpacked debuginfo both work
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- run: cargo clean && cargo test
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# Test that, on macOS, packed/unpacked debuginfo both work
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if: matrix.os == 'macos-latest'
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env:
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CARGO_PROFILE_DEV_SPLIT_DEBUGINFO: unpacked
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CARGO_PROFILE_TEST_SPLIT_DEBUGINFO: unpacked
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- run: cargo clean && cargo test
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if: matrix.os == 'macos-latest'
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env:
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CARGO_PROFILE_DEV_SPLIT_DEBUGINFO: packed
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CARGO_PROFILE_TEST_SPLIT_DEBUGINFO: packed
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# Test that, on macOS, binaries with no UUID work
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- run: cargo clean && cargo test
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if: matrix.os == 'macos-latest'
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env:
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RUSTFLAGS: "-C link-arg=-Wl,-no_uuid"
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# Test that, on Linux, packed/unpacked debuginfo both work
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- run: cargo clean && cargo test
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if: matrix.rust == 'nightly'
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env:
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RUSTFLAGS: "-C split-debuginfo=unpacked -Zunstable-options"
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- run: cargo clean && cargo test
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if: matrix.rust == 'nightly'
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env:
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RUSTFLAGS: "-C split-debuginfo=packed -Zunstable-options"
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# Test that separate debug info works
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- run: ./ci/debuglink-docker.sh
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if: contains(matrix.os, 'ubuntu')
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# Test that including as a submodule will still work, both with and without
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# the `backtrace` feature enabled.
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- run: cargo build --manifest-path crates/as-if-std/Cargo.toml
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- run: cargo build --manifest-path crates/as-if-std/Cargo.toml --no-default-features
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windows_arm64:
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name: Windows AArch64
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runs-on: windows-latest
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- name: Install Rust
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run: rustup update stable --no-self-update && rustup default stable
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shell: bash
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- run: echo RUSTFLAGS=-Dwarnings >> $GITHUB_ENV
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shell: bash
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- run: rustup target add aarch64-pc-windows-msvc
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- run: cargo test --no-run --target aarch64-pc-windows-msvc
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- run: cargo test --no-run --target aarch64-pc-windows-msvc --features verify-winapi
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ios:
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name: iOS
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runs-on: macos-latest
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strategy:
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matrix:
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include:
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- target: aarch64-apple-ios
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sdk: iphoneos
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- target: x86_64-apple-ios
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sdk: iphonesimulator
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- run: rustup target add ${{ matrix.target }}
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- run: |
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export RUSTFLAGS=-Dwarnings
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export SDK_PATH=`xcrun --show-sdk-path --sdk ${{ matrix.sdk }}`
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export RUSTFLAGS="-C link-arg=-isysroot -C link-arg=$SDK_PATH"
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cargo test --no-run --target ${{ matrix.target }}
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name: Build tests
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docker:
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name: Docker
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runs-on: ubuntu-20.04
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strategy:
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fail-fast: false
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matrix:
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target:
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- aarch64-unknown-linux-gnu
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- arm-unknown-linux-gnueabihf
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- armv7-unknown-linux-gnueabihf
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- i586-unknown-linux-gnu
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- i686-unknown-linux-gnu
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- powerpc64-unknown-linux-gnu
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- s390x-unknown-linux-gnu
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- x86_64-pc-windows-gnu
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- x86_64-unknown-linux-gnu
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- x86_64-unknown-linux-musl
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- arm-linux-androideabi
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- armv7-linux-androideabi
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- aarch64-linux-android
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- i686-linux-android
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- x86_64-linux-android
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- name: Install Rust
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run: rustup update stable && rustup default stable
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- run: rustup target add ${{ matrix.target }}
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- run: cargo generate-lockfile
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- run: echo RUSTFLAGS=-Dwarnings >> $GITHUB_ENV
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shell: bash
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- run: ./ci/run-docker.sh ${{ matrix.target }}
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rustfmt:
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name: Rustfmt
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runs-on: ubuntu-20.04
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- name: Install Rust
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run: rustup update stable && rustup default stable && rustup component add rustfmt
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- run: cargo fmt --all -- --check
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build:
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name: Build Targets
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runs-on: ubuntu-20.04
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strategy:
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matrix:
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target:
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- wasm32-unknown-unknown
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- wasm32-wasi
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- x86_64-unknown-fuchsia
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- x86_64-fortanix-unknown-sgx
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- x86_64-unknown-illumos
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- name: Install Rust
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run: rustup update nightly && rustup default nightly
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- run: rustup target add ${{ matrix.target }}
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- run: echo RUSTFLAGS=-Dwarnings >> $GITHUB_ENV
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shell: bash
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- run: cargo build --target ${{ matrix.target }}
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- run: cargo build --manifest-path crates/as-if-std/Cargo.toml --target ${{ matrix.target }}
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msrv:
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name: MSRV
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runs-on: ubuntu-20.04
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- name: Install Rust
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run: rustup update 1.55.0 && rustup default 1.55.0
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- run: cargo build
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miri:
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name: Miri
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runs-on: ubuntu-20.04
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steps:
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- uses: actions/checkout@v3
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with:
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submodules: true
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- name: Install Miri
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run: |
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rustup toolchain install nightly --component miri
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rustup override set nightly
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cargo miri setup
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- run: MIRIFLAGS="-Zmiri-disable-isolation" cargo miri test

‎library/backtrace/.gitignore

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target
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Cargo.lock

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