Add regression test for issue #52060

[zilbuz]

Fix #52060

[rust-highfive]

r? @nikomatsakis

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[zilbuz]

I put the test in compile-fail, let me know if I should move it to another folder.

[rust-highfive]

The job x86_64-gnu-llvm-5.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

[00:04:28] tidy error: /checkout/src/test/compile-fail/issue-52060.rs:4: trailing whitespace
[00:04:29] some tidy checks failed
[00:04:29] 
[00:04:29] 
[00:04:29] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor" "--quiet"
[00:04:29] 
[00:04:29] 
[00:04:29] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
[00:04:29] Build completed unsuccessfully in 0:00:50
[00:04:29] Build completed unsuccessfully in 0:00:50
[00:04:29] make: *** [tidy] Error 1
[00:04:29] Makefile:79: recipe for target 'tidy' failed

The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:35d28668
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)
---
travis_time:end:1dd7032b:start=1535559650028197900,finish=1535559650037190454,duration=8992554
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:051126de
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:22185110
travis_time:start:22185110
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:1313d41a
$ dmesg | grep -i kill

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[nikomatsakis]

=)

[nikomatsakis]

Great! Can you move this to src/test/ui/issues, though? We're not really using compile-fail anymore (though we haven't fully killed it yet)

[nikomatsakis]

@bors r+ rollup

[bors]

📌 Commit 251f262 has been approved by nikomatsakis