error monomorphizing rather complex use of ifaces #2283
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ghost
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Ugh. It turns out that the last snapshot, although registered after my fix, is actually a snapshot of a tree that's quite a bit older. I've verified that when I do a local snapshot, this problem goes away. So this is a duplicate of #2185, as Tim pointed out. I'll start a new snapshot. |
bors
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Sep 22, 2022
revert --color=always changes They [cause problems](rust-lang/miri#2277) and they completely break rendering on the playground: ``` Compiling playground v0.0.1 (/playground) Finished dev [unoptimized + debuginfo] target(s) in 0.47s Running `/playground/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/cargo-miri target/miri/x86_64-unknown-linux-gnu/debug/playground` �[0m�[1m�[38;5;9merror[E0277]�[0m�[0m�[1m: `*mut std::sync::atomic::AtomicUsize` cannot be sent between threads safely�[0m �[0m �[0m�[0m�[1m�[38;5;12m--> �[0m�[0msrc/main.rs:17:18�[0m �[0m �[0m�[0m�[1m�[38;5;12m|�[0m �[0m�[1m�[38;5;12m17�[0m�[0m �[0m�[0m�[1m�[38;5;12m|�[0m�[0m �[0m�[0m let j1 = spawn(move || {�[0m �[0m �[0m�[0m�[1m�[38;5;12m| �[0m�[0m �[0m�[0m�[1m�[38;5;12m__________________�[0m�[0m�[1m�[38;5;9m^^^^^�[0m�[0m�[1m�[38;5;12m_-�[0m �[0m �[0m�[0m�[1m�[38;5;12m| �[0m�[0m�[1m�[38;5;12m|�[0m�[0m �[0m�[0m�[1m�[38;5;9m|�[0m �[0m �[0m�[0m�[1m�[38;5;12m| �[0m�[0m�[1m�[38;5;12m|�[0m�[0m �[0m�[0m�[1m�[38;5;9m`*mut std::sync::atomic::AtomicUsize` cannot be sent between threads safely�[0m �[0m�[1m�[38;5;12m18�[0m�[0m �[0m�[0m�[1m�[38;5;12m|�[0m�[0m �[0m�[0m�[1m�[38;5;12m|�[0m�[0m �[0m�[0m *(c.0 as *mut usize) = 32;�[0m �[0m�[1m�[38;5;12m19�[0m�[0m �[0m�[0m�[1m�[38;5;12m|�[0m�[0m �[0m�[0m�[1m�[38;5;12m|�[0m�[0m �[0m�[0m });�[0m �[0m �[0m�[0m�[1m�[38;5;12m| �[0m�[0m�[1m�[38;5;12m|_________-�[0m�[0m �[0m�[0m�[1m�[38;5;12mwithin this `[closure@src/main.rs:17:24: 19:10]`�[0m �[0m �[0m�[0m�[1m�[38;5;12m|�[0m ``` Sorry `@saethlin,` I think we need to go back to start here and consider another solution. Fixes rust-lang/miri#2277
jieyouxu
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Mar 14, 2025
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If you look at the
iterbranch in thenikomatsakis/rustrepo, you will find that it fails in stage0. I debugged this a bit by building a vanilla compiler in another repoistory and managed to trace it as far as a failure inmake_mono_id()because the call tomap2()that is processing bounds and substs receives a bounds vec of length 1 and a substs vec of length 2. This seems to occur with the call tovec::flatmap()that occurs in librustsyntax processing the attributes. I tried to narrow down the test to a smaller test file but was unable to find anything that reproduced the error other than the full rustc.@marijnh if you wouldn't mind taking a look and let me know if something jumps out at you, I would appreciate it.
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