run-pass/issue-36023.rs is failing with 1.12 on GNU/Linux

[sylvestre]

executing x86_64-unknown-linux-gnu/stage2/bin/rustc /tmp/rust/src/test/run-pass/issue-36023.rs -L x86_64-unknown-linux-gnu/test/run-pass/ --target=x86_64-unknown-linux-gnu -L x86_64-unknown-linux-gnu/test/run-pass/issue-36023.stage2-x86_64-unknown-linux-gnu.run-pass.libaux -C prefer-dynamic -o x86_64-unknown-linux-gnu/test/run-pass/issue-36023.stage2-x86_64-unknown-linux-gnu -C link-args=-Wl,-z,relro --cfg rtopt -C rpath -O -L x86_64-unknown-linux-gnu/rt
------stdout------------------------------

------stderr------------------------------
warning: unused variable: `s`, #[warn(unused_variables)] on by default
  --> /tmp/rust/src/test/run-pass/issue-36023.rs:25:12
   |
25 | fn env_var(s: &str) -> Result<String, VarError> {
   |            ^


------------------------------------------
[...]

thread '[run-pass] run-pass/issue-36023.rs' panicked at 'explicit panic', /tmp/rust/src/tools/compiletest/src/runtest.rs:2350
stack backtrace:
   1:     0x7fa28190b69b - std::sys::backtrace::tracing::imp::write::h00e948915d1e4c72
   2:     0x7fa28191d03f - std::panicking::default_hook::_{{closure}}::h7b8a142818383fb8
   3:     0x7fa28191b42e - std::panicking::default_hook::h41cf296f654245d7
   4:     0x7fa28191bc15 - std::panicking::rust_panic_with_hook::h4cbd7ca63ce1aee9
   5:     0x55621ad368df - std::panicking::begin_panic::heb5541c22bb99ccf
   6:     0x55621ad754b2 - compiletest::runtest::ProcRes::fatal::he3e6a0704948ae1c
   7:     0x55621ad6db33 - compiletest::runtest::TestCx::fatal_proc_rec::h6c036520f7a73143
   8:     0x55621ad5ab66 - compiletest::runtest::TestCx::run_rpass_test::hee1ffcb823c4f834
   9:     0x55621ad39a27 - _<F as alloc..boxed..FnBox<A>>::call_box::h335c21840425c8a0
  10:     0x7fa282044a08 - std::panicking::try::do_call::h63a911edf59441a1
  11:     0x7fa28192ae96 - __rust_maybe_catch_panic
  12:     0x7fa28204b113 - _<F as alloc..boxed..FnBox<A>>::call_box::h3db4d78fb37007ad
  13:     0x7fa2819196a2 - std::sys::thread::Thread::new::thread_start::h4c0ad33b336bc6ea
  14:     0x7fa280e27463 - start_thread
  15:     0x7fa28135097e - __clone
  16:                0x0 - <unknown>


failures:
    [run-pass] run-pass/issue-36023.rs

test result: FAILED. 2496 passed; 1 failed; 3 ignored; 0 measured

thread 'main' panicked at 'Some tests failed', /tmp/rust/src/tools/compiletest/src/main.rs:293
stack backtrace:
   1:     0x7fa28190b69b - std::sys::backtrace::tracing::imp::write::h00e948915d1e4c72
   2:     0x7fa28191d03f - std::panicking::default_hook::_{{closure}}::h7b8a142818383fb8
   3:     0x7fa28191b4ad - std::panicking::default_hook::h41cf296f654245d7
   4:     0x7fa28191bc15 - std::panicking::rust_panic_with_hook::h4cbd7ca63ce1aee9
   5:     0x55621ad368df - std::panicking::begin_panic::heb5541c22bb99ccf
   6:     0x55621ad79955 - compiletest::main::h9488a95819777ee7
   7:     0x7fa28192ae96 - __rust_maybe_catch_panic
   8:     0x7fa28191a8cd - std::rt::lang_start::h53bf99b0829cc03c
   9:     0x7fa2812882b0 - __libc_start_main
  10:     0x55621ad32d69 - _start
  11:                0x0 - <unknown>

[alexcrichton]

@sylvestre is this on the master branch? This test was recently tagged with // min-llvm-version 3.9 so if you're building against LLVM 3.8 and the test harness isn't up-to-date it'll fail on 3.8 (as this is a bug in LLVM 3.8)

[sylvestre]

Nope, with the 1.12 release using llvm 3.8

[alexcrichton]

Ah yes, I believe that the first release with the support for "min-llvm-version" is 1.13, so it should be safe to ignore this test in 1.12 for now. (does that work for you?)

[sylvestre]

Sure, I removed the test already 👍