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Use same --remap-path-prefix as bootstrap for testing the rustc test suite

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This allows removing the CFG_VIRTUAL_RUST_SOURCE_BASE_DIR hack and
re-enabling a fair amount of tests.
This commit is contained in:
bjorn3 2023-10-21 19:01:08 +00:00
parent 62f6e84ac1
commit c07d1e2f88
3 changed files with 13 additions and 17 deletions
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9
build_system/build_sysroot.rs
View File

@ -1,3 +1,4 @@
use std::env;
use std::fs;
use std::path::{Path, PathBuf};
use std::process::Command;
@ -259,6 +260,14 @@ fn build_clif_sysroot_for_triple(
// inlining.
rustflags.push("-Zinline-mir".to_owned());
}
if let Some(prefix) = env::var_os("CG_CLIF_STDLIB_REMAP_PATH_PREFIX") {
rustflags.push("--remap-path-prefix".to_owned());
rustflags.push(format!(
"{}={}",
STDLIB_SRC.to_path(dirs).to_str().unwrap(),
prefix.to_str().unwrap()
));
}
compiler.rustflags.extend(rustflags);
let mut build_cmd = STANDARD_LIBRARY.build(&compiler, dirs);
maybe_incremental(&mut build_cmd);

7
scripts/setup_rust_fork.sh
View File

@ -1,7 +1,10 @@
#!/usr/bin/env bash
set -e
./y.sh build
# Compiletest expects all standard library paths to start with /rustc/FAKE_PREFIX.
# CG_CLIF_STDLIB_REMAP_PATH_PREFIX will cause cg_clif's build system to pass
# --remap-path-prefix to handle this.
CG_CLIF_STDLIB_REMAP_PATH_PREFIX=/rustc/FAKE_PREFIX ./y.sh build
echo "[SETUP] Rust fork"
git clone https://github.com/rust-lang/rust.git || true
@ -32,8 +35,6 @@ verbose-tests = false
EOF
popd
export CFG_VIRTUAL_RUST_SOURCE_BASE_DIR="$(cd build/stdlib; pwd)"
# Allow the testsuite to use llvm tools
host_triple=$(rustc -vV | grep host | cut -d: -f2 | tr -d " ")
export LLVM_BIN_DIR="$(rustc --print sysroot)/lib/rustlib/$host_triple/bin"

14
scripts/test_rustc_tests.sh
View File

@ -111,20 +111,6 @@ rm tests/ui/consts/issue-33537.rs # same
rm tests/ui/layout/valid_range_oob.rs # different ICE message
rm tests/ui/const-generics/generic_const_exprs/issue-80742.rs # gives error instead of ICE with cg_clif
rm tests/ui/consts/issue-miri-1910.rs # different error message
rm tests/ui/consts/offset_ub.rs # same
rm tests/ui/consts/const-eval/ub-slice-get-unchecked.rs # same
rm tests/ui/intrinsics/panic-uninitialized-zeroed.rs # same
rm tests/ui/lint/lint-const-item-mutation.rs # same
rm tests/ui/pattern/usefulness/doc-hidden-non-exhaustive.rs # same
rm tests/ui/suggestions/derive-trait-for-method-call.rs # same
rm tests/ui/typeck/issue-46112.rs # same
rm tests/ui/consts/const_cmp_type_id.rs # same
rm tests/ui/consts/issue-73976-monomorphic.rs # same
rm tests/ui/rfcs/rfc-3348-c-string-literals/non-ascii.rs # same
rm tests/ui/consts/issue-94675.rs # same
rm tests/ui/associated-types/issue-85103-layout-debug.rs # same
# rustdoc-clif passes extra args, suppressing the help message when no args are passed
rm -r tests/run-make/issue-88756-default-output