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Rollup of 8 pull requests #111299

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r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

Zalathar and others added 16 commits April 30, 2023 11:05
The tests that were in `src/test/` have been moved to `tests/`, so the paths
given by the suggestion tool should reflect this.
Signed-off-by: ozkanonur <work@onurozkan.dev>
We've been relying on a custom patch to add `MCSubtargetInfo::getCPUTable`
for `rustc --print target-cpus`, and just printing that it's not supported
on external LLVM builds. LLVM `main` now has `getAllProcessorDescriptions`
that can replace ours, so now we try to use that. In addition, the fallback
path can at least print the native and default cpu options.

There were also some mismatches in the function signatures here between
`LLVM_RUSTLLVM` and otherwise; this is now mitigated by sharing these
functions and only using cpp to adjust the function bodies.
…mulacrum

Fix the test directories suggested by `./x.py suggest`

It seems that these paths were correct when rust-lang#106249 was being written, but since then rust-lang#106458 has been merged (moving `src/test/` to `tests/`), making the tool's suggestions incorrect.
…imulacrum

Make more ConstProp tests unit.
…p-scripts, r=Mark-Simulacrum

check bootstrap scripts syntax

Fails bootstrapping if `x`/`x.ps1` scripts are not valid. Currently, it keeps executing lines until the invalid one.
…acrum

Fix instrument-coverage tests by using Python to sort instantiation groups

rust-lang#110942 was intended to fix a set of `-Cinstrument-coverage` tests, but it ended up silently *breaking* those tests on Linux, for annoying reasons detailed at rust-lang#111171.

Dealing with `diff --ignore-matching-lines` across multiple platforms has been such a hassle that I've instead written a simple Python script that can detect instantiation groups in the output of `llvm-cov show`, and sort them in a predictable order so that they can be used as snapshots for an ordinary invocation of `diff`.

This approach should be much less error-prone, because it can't accidentally ignore the wrong lines, and any unforeseen problems will tend to result in a Python exception or a failing diff.
Output LLVM optimization remark kind in `-Cremark` output

Since rust-lang#90833, the optimization remark kind has not been printed. Therefore it wasn't possible to easily determine from the log (in a programmatic way) which remark kind was produced. I think that the most interesting remarks are the missed ones, which can lead users to some code optimization.

Maybe we could also change the format closer to the "old" one:
```
note: optimization remark for tailcallelim at /checkout/src/libcore/num/mod.rs:1:0: marked this call a tail call candidate
```

I wanted to programatically parse the remarks so that they could work e.g. with https://github.com/OfekShilon/optview2. However, now that I think about it, probably the proper solution is to tell rustc to output them to YAML and then use the YAML as input for the opt remark visualization tools. The flag for enabling this does not seem to work though (rust-lang#96705 (comment)).

Still I think that it's good to output the remark kind anyway, it's an important piece of information.

r? ``@tmiasko``
asm: loongarch64: Implementation of clobber_abi

r? ``@Amanieu``
…Simulacrum

Expand the LLVM coverage of `--print target-cpus`

We've been relying on a custom patch to add `MCSubtargetInfo::getCPUTable`
for `rustc --print target-cpus`, and just printing that it's not supported
on external LLVM builds. LLVM `main` now has `getAllProcessorDescriptions`
that can replace ours, so now we try to use that. In addition, the fallback
path can at least print the native and default cpu options.

There were also some mismatches in the function signatures here between
`LLVM_RUSTLLVM` and otherwise; this is now mitigated by sharing these
functions and only using cpp to adjust the function bodies.
Check arguments length in trivial diagnostic lint

Fixes rust-lang#111280
@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels May 6, 2023
@matthiaskrgr
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@bors r+ rollup=never p=8

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bors commented May 6, 2023

📌 Commit cc0821f has been approved by matthiaskrgr

It is now in the queue for this repository.

@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 6, 2023
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bors commented May 6, 2023

⌛ Testing commit cc0821f with merge 94ac7fa3bc9f96e80c81183ba2ef44e73f851187...

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The job aarch64-gnu failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)
---- [run-make] tests/run-make/coverage-reports stdout ----

error: make failed
status: exit status: 2
command: cd "/checkout/tests/run-make/coverage-reports" && AR="ar" CC="cc -ffunction-sections -fdata-sections -fPIC" CXX="c++ -ffunction-sections -fdata-sections -fPIC" HOST_RPATH_DIR="/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib" LD_LIB_PATH_ENVVAR="LD_LIBRARY_PATH" LLVM_BIN_DIR="/checkout/obj/build/aarch64-unknown-linux-gnu/llvm/build/bin" LLVM_COMPONENTS="aarch64 aarch64asmparser aarch64codegen aarch64desc aarch64disassembler aarch64info aarch64utils aggressiveinstcombine all all-targets analysis arm armasmparser armcodegen armdesc armdisassembler arminfo armutils asmparser asmprinter avr avrasmparser avrcodegen avrdesc avrdisassembler avrinfo binaryformat bitreader bitstreamreader bitwriter bpf bpfasmparser bpfcodegen bpfdesc bpfdisassembler bpfinfo cfguard codegen core coroutines coverage debuginfocodeview debuginfodwarf debuginfogsym debuginfologicalview debuginfomsf debuginfopdb demangle dlltooldriver dwarflinker dwarflinkerparallel dwp engine executionengine extensions filecheck frontendhlsl frontendopenacc frontendopenmp fuzzercli fuzzmutate globalisel hexagon hexagonasmparser hexagoncodegen hexagondesc hexagondisassembler hexagoninfo instcombine instrumentation interfacestub interpreter ipo irprinter irreader jitlink libdriver lineeditor linker loongarch loongarchasmparser loongarchcodegen loongarchdesc loongarchdisassembler loongarchinfo lto m68k m68kasmparser m68kcodegen m68kdesc m68kdisassembler m68kinfo mc mca mcdisassembler mcjit mcparser mips mipsasmparser mipscodegen mipsdesc mipsdisassembler mipsinfo mirparser msp430 msp430asmparser msp430codegen msp430desc msp430disassembler msp430info native nativecodegen nvptx nvptxcodegen nvptxdesc nvptxinfo objcarcopts objcopy object objectyaml option orcjit orcshared orctargetprocess passes powerpc powerpcasmparser powerpccodegen powerpcdesc powerpcdisassembler powerpcinfo profiledata remarks riscv riscvasmparser riscvcodegen riscvdesc riscvdisassembler riscvinfo riscvtargetmca runtimedyld scalaropts selectiondag sparc sparcasmparser sparccodegen sparcdesc sparcdisassembler sparcinfo support symbolize systemz systemzasmparser systemzcodegen systemzdesc systemzdisassembler systemzinfo tablegen target targetparser textapi transformutils vectorize webassembly webassemblyasmparser webassemblycodegen webassemblydesc webassemblydisassembler webassemblyinfo webassemblyutils windowsdriver windowsmanifest x86 x86asmparser x86codegen x86desc x86disassembler x86info x86targetmca xray" LLVM_FILECHECK="/checkout/obj/build/aarch64-unknown-linux-gnu/llvm/build/bin/FileCheck" PYTHON="/usr/bin/python3" RUSTC="/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc" RUSTDOC="/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustdoc" RUST_BUILD_STAGE="stage2-aarch64-unknown-linux-gnu" RUST_DEMANGLER="/checkout/obj/build/aarch64-unknown-linux-gnu/stage2-tools-bin/rust-demangler" S="/checkout" TARGET="aarch64-unknown-linux-gnu" TARGET_RPATH_DIR="/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib/rustlib/aarch64-unknown-linux-gnu/lib" TMPDIR="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports" "make"
# Compile the test library with coverage instrumentation
# Compile the test library with coverage instrumentation
LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc' --out-dir /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports -L /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports  ../coverage/lib/used_inline_crate.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/lib/used_inline_crate.rs ) \
  --crate-type rlib -Cinstrument-coverage --target aarch64-unknown-linux-gnu
# Compile the test library with coverage instrumentation
Build completed unsuccessfully in 0:45:44
LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc' --out-dir /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports -L /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports  ../coverage/lib/unused_mod_helper.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/lib/unused_mod_helper.rs ) \
  --crate-type rlib -Cinstrument-coverage --target aarch64-unknown-linux-gnu
# Compile the test library with coverage instrumentation
LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc' --out-dir /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports -L /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports  ../coverage/lib/doctest_crate.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/lib/doctest_crate.rs ) \
  --crate-type rlib -Cinstrument-coverage --target aarch64-unknown-linux-gnu
# Compile the test library with coverage instrumentation
LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc' --out-dir /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports -L /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports  ../coverage/lib/inline_always_with_dead_code.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/lib/inline_always_with_dead_code.rs ) \
  --crate-type rlib -Cinstrument-coverage --target aarch64-unknown-linux-gnu
# Compile the test library with coverage instrumentation
LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc' --out-dir /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports -L /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports  ../coverage/lib/used_crate.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/lib/used_crate.rs ) \
  --crate-type rlib -Cinstrument-coverage --target aarch64-unknown-linux-gnu
# Compile the test program with coverage instrumentation
LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc' --out-dir /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports -L /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports  ../coverage/dead_code.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/dead_code.rs ) \
  -L "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports" -Cinstrument-coverage --target aarch64-unknown-linux-gnu
# Run it in order to generate some profiling data,
# with `LLVM_PROFILE_FILE=<profdata_file>` environment variable set to
# output the coverage stats for this run.
LLVM_PROFILE_FILE="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/dead_code.profraw \
  LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib/rustlib/aarch64-unknown-linux-gnu/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports/dead_code || \
  ( \
   status=$?; \
   grep -q "^\/\/ expect-exit-status-$status" ../coverage/dead_code.rs || \
   ( >&2 echo "program exited with an unexpected exit status: $status"; \
   ) \
  )
  )
# Run it through rustdoc as well to cover doctests.
# `%p` is the pid, and `%m` the binary signature. We suspect that the pid alone
# might result in overwritten files and failed tests, as rustdoc spawns each
# doctest as its own process, so make sure the filename is as unique as possible.
LLVM_PROFILE_FILE="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/dead_code-%p-%m.profraw \
  LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustdoc' -L /checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib/rustlib/aarch64-unknown-linux-gnu/lib --crate-name workaround_for_79771 --test ../coverage/dead_code.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/dead_code.rs ) \
  -L "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports" -Cinstrument-coverage \
  -Z unstable-options --persist-doctests=/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports/rustdoc-dead_code
running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s


# Postprocess the profiling data so it can be used by the llvm-cov tool
"/checkout/obj/build/aarch64-unknown-linux-gnu/llvm/build/bin"/llvm-profdata merge --sparse \
  "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/dead_code*.profraw \
  -o "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/dead_code.profdata
# Generate a coverage report using `llvm-cov show`.
"/checkout/obj/build/aarch64-unknown-linux-gnu/llvm/build/bin"/llvm-cov show \
  --debug \
  --ignore-filename-regex='(uses_crate.rs|uses_inline_crate.rs|unused_mod.rs)' \
  --compilation-dir=. \
  --Xdemangler="/checkout/obj/build/aarch64-unknown-linux-gnu/stage2-tools-bin/rust-demangler" \
  --show-line-counts-or-regions \
  --instr-profile="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/dead_code.profdata \
  "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/dead_code \
  $( for file in /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports/rustdoc-dead_code/*/rust_out*; do [ -x "$file" ] && printf "%s %s " -object $file; done ) \
 2> "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/show_coverage_stderr.dead_code.txt \
 | "/usr/bin/python3" ../coverage-reports/normalize_paths.py \
 | "/usr/bin/python3" ../coverage-reports/sort_subviews.py \
 > "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/actual_show_coverage.dead_code.txt || \
( status=$? ; \
 >&2 cat "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/show_coverage_stderr.dead_code.txt ; \
 exit $status \
)
# The first line (beginning with "Args:" contains hard-coded, build-specific
# file paths. Strip that line and keep the remaining lines with counter debug
# data.
tail -n +2 "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/show_coverage_stderr.dead_code.txt \
 > "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/actual_show_coverage_counters.dead_code.txt
# Compare the show coverage output (`--bless` refreshes `typical` files).
#
# `llvm-cov show` normally prints instantiation groups in an unpredictable
# order, but we have used `sort_subviews.py` to sort them, so we can still
# check the output directly with `diff`.
diff -u --strip-trailing-cr expected_show_coverage.dead_code.txt "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/actual_show_coverage.dead_code.txt || \
 ( >&2 echo 'diff failed in ../coverage/dead_code.rs'; false)
# Compile the test program with coverage instrumentation
LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc' --out-dir /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports -L /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports  ../coverage/uses_inline_crate.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/uses_inline_crate.rs ) \
  -L "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports" -Cinstrument-coverage --target aarch64-unknown-linux-gnu
# Run it in order to generate some profiling data,
# with `LLVM_PROFILE_FILE=<profdata_file>` environment variable set to
# output the coverage stats for this run.
LLVM_PROFILE_FILE="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/uses_inline_crate.profraw \
  LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib/rustlib/aarch64-unknown-linux-gnu/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports/uses_inline_crate || \
  ( \
   status=$?; \
   grep -q "^\/\/ expect-exit-status-$status" ../coverage/uses_inline_crate.rs || \
   ( >&2 echo "program exited with an unexpected exit status: $status"; \
   ) \
  )
used_from_bin_crate_and_lib_crate_generic_function with "used from library used_crate.rs"
used_with_same_type_from_bin_crate_and_lib_crate_generic_function with "used from library used_crate.rs"
used_with_same_type_from_bin_crate_and_lib_crate_generic_function with "used from library used_crate.rs"
used_only_from_this_lib_crate_generic_function with [5, 6, 7, 8]
used_only_from_this_lib_crate_generic_function with "used ONLY from library used_crate.rs"
used_from_bin_crate_and_lib_crate_generic_function with "used from library used_crate.rs"
used_with_same_type_from_bin_crate_and_lib_crate_generic_function with "used from library used_crate.rs"
used_only_from_this_lib_crate_generic_function with [5, 6, 7, 8]
used_only_from_this_lib_crate_generic_function with "used ONLY from library used_crate.rs"
used_only_from_bin_crate_generic_function with [1, 2, 3, 4]
used_only_from_bin_crate_generic_function with "used from bin uses_crate.rs"
used_from_bin_crate_and_lib_crate_generic_function with [1, 2, 3, 4]
used_with_same_type_from_bin_crate_and_lib_crate_generic_function with "interesting?"
# Run it through rustdoc as well to cover doctests.
# `%p` is the pid, and `%m` the binary signature. We suspect that the pid alone
# might result in overwritten files and failed tests, as rustdoc spawns each
# doctest as its own process, so make sure the filename is as unique as possible.
LLVM_PROFILE_FILE="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/uses_inline_crate-%p-%m.profraw \
  LD_LIBRARY_PATH="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports:/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0-bootstrap-tools/aarch64-unknown-linux-gnu/release/deps:/checkout/obj/build/aarch64-unknown-linux-gnu/stage0/lib" '/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustdoc' -L /checkout/obj/build/aarch64-unknown-linux-gnu/stage2/lib/rustlib/aarch64-unknown-linux-gnu/lib --crate-name workaround_for_79771 --test ../coverage/uses_inline_crate.rs \
  $( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' ../coverage/uses_inline_crate.rs ) \
  -L "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports" -Cinstrument-coverage \
  -Z unstable-options --persist-doctests=/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports/rustdoc-uses_inline_crate
running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s


# Postprocess the profiling data so it can be used by the llvm-cov tool
"/checkout/obj/build/aarch64-unknown-linux-gnu/llvm/build/bin"/llvm-profdata merge --sparse \
  "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/uses_inline_crate*.profraw \
  -o "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/uses_inline_crate.profdata
# Generate a coverage report using `llvm-cov show`.
"/checkout/obj/build/aarch64-unknown-linux-gnu/llvm/build/bin"/llvm-cov show \
  --debug \
  --ignore-filename-regex='(uses_crate.rs|uses_inline_crate.rs|unused_mod.rs)' \
  --compilation-dir=. \
  --Xdemangler="/checkout/obj/build/aarch64-unknown-linux-gnu/stage2-tools-bin/rust-demangler" \
  --show-line-counts-or-regions \
  --instr-profile="/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/uses_inline_crate.profdata \
  "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/uses_inline_crate \
  $( for file in /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports/rustdoc-uses_inline_crate/*/rust_out*; do [ -x "$file" ] && printf "%s %s " -object $file; done ) \
 2> "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/show_coverage_stderr.uses_inline_crate.txt \
 | "/usr/bin/python3" ../coverage-reports/normalize_paths.py \
 | "/usr/bin/python3" ../coverage-reports/sort_subviews.py \
 > "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/actual_show_coverage.uses_inline_crate.txt || \
( status=$? ; \
 >&2 cat "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/show_coverage_stderr.uses_inline_crate.txt ; \
 exit $status \
)
# The first line (beginning with "Args:" contains hard-coded, build-specific
# file paths. Strip that line and keep the remaining lines with counter debug
# data.
tail -n +2 "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/show_coverage_stderr.uses_inline_crate.txt \
 > "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/actual_show_coverage_counters.uses_inline_crate.txt
# Compare the show coverage output (`--bless` refreshes `typical` files).
#
# `llvm-cov show` normally prints instantiation groups in an unpredictable
# order, but we have used `sort_subviews.py` to sort them, so we can still
# check the output directly with `diff`.
diff -u --strip-trailing-cr expected_show_coverage.uses_inline_crate.txt "/checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports"/actual_show_coverage.uses_inline_crate.txt || \
 ( >&2 echo 'diff failed in ../coverage/uses_inline_crate.rs'; false)
--- expected_show_coverage.uses_inline_crate.txt 2023-05-06 20:26:27.350380887 +0000
+++ /checkout/obj/build/aarch64-unknown-linux-gnu/test/run-make/coverage-reports/coverage-reports/actual_show_coverage.uses_inline_crate.txt 2023-05-06 21:14:04.414492877 +0000
@@ -42,8 +42,6 @@
    40|      2|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
    41|      2|}
   ------------------
-  | Unexecuted instantiation: used_inline_crate::used_only_from_bin_crate_generic_function::<_>
-  ------------------
   | used_inline_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
   |   39|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
   |   40|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
@@ -105,27 +103,27 @@
    58|       |
    58|       |
    59|       |#[inline(always)]
-   60|      0|pub fn unused_generic_function<T: Debug>(arg: T) {
-   61|      0|    println!("unused_generic_function with {:?}", arg);
-   62|      0|}
+   60|       |pub fn unused_generic_function<T: Debug>(arg: T) {
+   61|       |    println!("unused_generic_function with {:?}", arg);
+   62|       |}
    63|       |
    64|       |#[inline(always)]
-   65|      0|pub fn unused_function() {
-   66|      0|    let is_true = std::env::args().len() == 1;
-   67|      0|    let mut countdown = 2;
-   68|      0|    if !is_true {
-   69|      0|        countdown = 20;
-   71|      0|}
+   65|       |pub fn unused_function() {
+   66|       |    let is_true = std::env::args().len() == 1;
+   67|       |    let mut countdown = 2;
+   67|       |    let mut countdown = 2;
+   68|       |    if !is_true {
+   69|       |        countdown = 20;
+   70|       |    }
+   71|       |}
    72|       |
    73|       |#[inline(always)]
-   74|      0|fn unused_private_function() {
-   75|      0|    let is_true = std::env::args().len() == 1;
-   76|      0|    let mut countdown = 2;
-   77|      0|    if !is_true {
-   78|      0|        countdown = 20;
-   80|      0|}
+   74|       |fn unused_private_function() {
+   75|       |    let is_true = std::env::args().len() == 1;
+   76|       |    let mut countdown = 2;
---
   = note: `#[warn(dead_code)]` on by default

warning: 1 warning emitted

warning: function `unused_fn` is never used
  --> ../coverage/dead_code.rs:15:4
15 | fn unused_fn() {
   |    ^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

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bors commented May 6, 2023

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels May 6, 2023
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