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Add CI check when building sysroot with GCC backend and running libcore tests with it #156549

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Add CI check when building sysroot with GCC backend and running libcore tests with it #156549

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c616598
Add CI check when building sysroot with GCC backend and running libco…
GuillaumeGomez May 13, 2026
7fe0967
Use debug mode when building and testing libcore with gcc backend
GuillaumeGomez May 13, 2026
f847fa6
Disable debug asserts when testing core lib with GCC backend
GuillaumeGomez May 13, 2026
f834b74
Disable optimizations for gcc CI
GuillaumeGomez May 14, 2026
21586f4
Disable tests optimizations for gcc CI
GuillaumeGomez May 14, 2026
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19 changes: 19 additions & 0 deletions src/ci/docker/host-x86_64/x86_64-gnu-gcc/Dockerfile
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Expand Up @@ -51,3 +51,22 @@ ENV SCRIPT="python3 ../x.py \
--skip tests/rustdoc-json \
--skip tests/rustdoc-ui \
--set rust.codegen-backends=[\\\"llvm\\\",\\\"gcc\\\"]"

# Build sysroot with gcc backend and run libcore tests in stage 1.
# We need to disable optimizations because of https://github.com/rust-lang/rustc_codegen_gcc/issues/686
ENV RUST_CONFIGURE_ARGS="--build=x86_64-unknown-linux-gnu \
--enable-sanitizers \
--enable-profiler \
--enable-compiler-docs \
--set llvm.libzstd=true \
--set rust.optimize=false \
--set rust.optimize-tests=false \
--set rust.debug-assertions=false \
--set rust.codegen-backends=[\\\"gcc\\\"]"
ENV SCRIPT="python3 ../x.py \
--stage 1 \
test library/core \
--set rust.optimize=false \
--set rust.optimize-tests=false \
--set rust.debug-assertions=false \
--set rust.codegen-backends=[\\\"gcc\\\"]"
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