Port print-cfg run-make to Rust-based rmake.rs
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Urgau
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@ -219,7 +219,6 @@ run-make/prefer-rlib/Makefile
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run-make/pretty-print-to-file/Makefile
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run-make/pretty-print-with-dep-file/Makefile
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run-make/print-calling-conventions/Makefile
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run-make/print-cfg/Makefile
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run-make/print-target-list/Makefile
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run-make/profile/Makefile
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run-make/prune-link-args/Makefile
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@ -1,37 +0,0 @@
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# needs-llvm-components: x86 arm
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include ../tools.mk
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all: default output_to_file
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$(RUSTC) --target x86_64-pc-windows-gnu --print cfg | $(CGREP) windows
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$(RUSTC) --target x86_64-pc-windows-gnu --print cfg | $(CGREP) x86_64
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$(RUSTC) --target i686-pc-windows-msvc --print cfg | $(CGREP) msvc
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$(RUSTC) --target i686-apple-darwin --print cfg | $(CGREP) macos
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$(RUSTC) --target i686-unknown-linux-gnu --print cfg | $(CGREP) gnu
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$(RUSTC) --target arm-unknown-linux-gnueabihf --print cfg | $(CGREP) target_abi=
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$(RUSTC) --target arm-unknown-linux-gnueabihf --print cfg | $(CGREP) eabihf
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output_to_file:
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# Backend-independent, printed by rustc_driver_impl/src/lib.rs
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$(RUSTC) --target x86_64-pc-windows-gnu --print cfg=$(TMPDIR)/cfg.txt
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$(CGREP) windows < $(TMPDIR)/cfg.txt
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# Printed from CodegenBackend trait impl in rustc_codegen_llvm/src/lib.rs
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$(RUSTC) --print relocation-models=$(TMPDIR)/relocation-models.txt
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$(CGREP) dynamic-no-pic < $(TMPDIR)/relocation-models.txt
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# Printed by compiler/rustc_codegen_llvm/src/llvm_util.rs
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$(RUSTC) --target wasm32-unknown-unknown --print target-features=$(TMPDIR)/target-features.txt
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$(CGREP) reference-types < $(TMPDIR)/target-features.txt
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# Printed by C++ code in rustc_llvm/llvm-wrapper/PassWrapper.cpp
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$(RUSTC) --target wasm32-unknown-unknown --print target-cpus=$(TMPDIR)/target-cpus.txt
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$(CGREP) generic < $(TMPDIR)/target-cpus.txt
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ifdef IS_WINDOWS
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default:
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$(RUSTC) --print cfg | $(CGREP) windows
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else
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default:
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$(RUSTC) --print cfg | $(CGREP) unix
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endif
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100
tests/run-make/print-cfg/rmake.rs
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100
tests/run-make/print-cfg/rmake.rs
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@ -0,0 +1,100 @@
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//! This checks the output of `--print=cfg`
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//!
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//! Specifically it checks that output is correctly formatted
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//! (ie. no duplicated cfgs, values are between "", names are not).
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//!
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//! It also checks that some targets have the correct set cfgs.
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extern crate run_make_support;
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use std::collections::HashSet;
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use std::ffi::OsString;
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use std::io::BufRead;
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use std::iter::FromIterator;
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use run_make_support::{rustc, tmp_dir};
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fn main() {
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check(
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/*target*/ "x86_64-pc-windows-gnu",
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/*includes*/ &["windows", "target_arch=\"x86_64\""],
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/*disallow*/ &["unix"],
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);
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check(
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/*target*/ "i686-pc-windows-msvc",
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/*includes*/ &["windows", "target_env=\"msvc\""],
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/*disallow*/ &["unix"],
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);
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check(
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/*target*/ "i686-apple-darwin",
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/*includes*/ &["unix", "target_os=\"macos\"", "target_vendor=\"apple\""],
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/*disallow*/ &["windows"],
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);
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check(
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/*target*/ "i686-unknown-linux-gnu",
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/*includes*/ &["unix", "target_env=\"gnu\""],
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/*disallow*/ &["windows"],
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);
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check(
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/*target*/ "arm-unknown-linux-gnueabihf",
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/*includes*/ &["unix", "target_abi=\"eabihf\""],
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/*disallow*/ &["windows"],
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);
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}
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fn check(target: &str, includes: &[&str], disallow: &[&str]) {
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fn _inner(output: &str, includes: &[&str], disallow: &[&str]) {
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let mut found = HashSet::<String>::new();
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let mut recorded = HashSet::<String>::new();
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for l in output.lines() {
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assert!(l == l.trim());
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if let Some((left, right)) = l.split_once('=') {
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assert!(right.starts_with("\""));
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assert!(right.ends_with("\""));
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assert!(!left.contains("\""));
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} else {
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assert!(!l.contains("\""));
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}
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assert!(recorded.insert(l.to_string()), "duplicated: {}", &l);
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assert!(!disallow.contains(&l), "found disallowed: {}", &l);
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if includes.contains(&l) {
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assert!(found.insert(l.to_string()), "duplicated (includes): {}", &l);
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}
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}
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let should_found = HashSet::<String>::from_iter(includes.iter().map(|s| s.to_string()));
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let diff: Vec<_> = should_found.difference(&found).collect();
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assert!(
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diff.is_empty(),
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"expected: {:?}, found: {:?} (~ {:?})",
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&should_found,
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&found,
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&diff
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);
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}
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// --print=cfg
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{
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let output = rustc().target(target).print("cfg").run();
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let stdout = String::from_utf8(output.stdout).unwrap();
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_inner(&stdout, includes, disallow);
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}
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// --print=cfg=PATH
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{
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let tmp_path = tmp_dir().join(format!("{target}.cfg"));
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let mut print_arg = OsString::from("--print=cfg=");
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print_arg.push(tmp_path.as_os_str());
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let output = rustc().target(target).arg(print_arg).run();
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let output = std::fs::read_to_string(&tmp_path).unwrap();
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_inner(&output, includes, disallow);
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}
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}
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67
tests/run-make/print-to-output/rmake.rs
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67
tests/run-make/print-to-output/rmake.rs
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@ -0,0 +1,67 @@
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//! This checks the output of some `--print` options when
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//! output to a file (instead of stdout)
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extern crate run_make_support;
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use std::ffi::OsString;
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use run_make_support::{rustc, target, tmp_dir};
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fn main() {
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// Printed from CodegenBackend trait impl in rustc_codegen_llvm/src/lib.rs
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check(
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/*target*/ &target(),
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/*option*/ "relocation-models",
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/*includes*/ &["dynamic-no-pic"],
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);
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// Printed by compiler/rustc_codegen_llvm/src/llvm_util.rs
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check(
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/*target*/ "wasm32-unknown-unknown",
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/*option*/ "target-features",
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/*includes*/ &["reference-types"],
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);
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// Printed by C++ code in rustc_llvm/llvm-wrapper/PassWrapper.cpp
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check(
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/*target*/ "wasm32-unknown-unknown",
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/*option*/ "target-cpus",
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/*includes*/ &["generic"],
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);
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}
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fn check(target: &str, option: &str, includes: &[&str]) {
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fn _inner(output: &str, includes: &[&str]) {
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for i in includes {
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assert!(output.contains(i), "output doesn't contains: {}", i);
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}
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}
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// --print={option}
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let stdout = {
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let output = rustc().target(target).print(option).run();
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let stdout = String::from_utf8(output.stdout).unwrap();
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_inner(&stdout, includes);
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stdout
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};
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// --print={option}=PATH
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let output = {
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let tmp_path = tmp_dir().join(format!("{option}.txt"));
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let mut print_arg = OsString::from(format!("--print={option}="));
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print_arg.push(tmp_path.as_os_str());
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let _output = rustc().target(target).arg(print_arg).run();
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let output = std::fs::read_to_string(&tmp_path).unwrap();
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_inner(&output, includes);
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output
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};
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assert_eq!(&stdout, &output);
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}
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