Internal compiler error - "failed to find block with tag 12"

Hi there... I'm trying to figure out how to build my own crates and use them, and I ran into this compiler error while compiling a two-line rust file. I created a gist with the files needed to reproduce, and a script that will trigger the bug: https://gist.github.com/indirect/5689005. I'm running off of incoming, compiled yesterday. Here's the output from the compile attempt:

$ rustc test.rs -L .
rust: ~"failed to find block with tag 12"
rust: task failed at 'explicit failure', /private/tmp/rust-8w9r/src/libextra/ebml.rs:202
error: internal compiler error: unexpected failure
note: the compiler hit an unexpected failure path. this is a bug
note: try running with RUST_LOG=rustc=1,::rt::backtrace to get further details and report the results to github.com/mozilla/rust/issues
rust: task failed at 'explicit failure', /private/tmp/rust-8w9r/src/librustc/rustc.rc:400
rust: domain main @0x7fae5a808410 root task failed

Looks like the same bug as #6698, which has been fixed. Running the test case (correctly) gives:

test-6873.rs:4:10: 4:33 error: unresolved name `FromBase64::from_base64`.
test-6873.rs:4   println(FromBase64::from_base64(~"it works"));
                         ^~~~~~~~~~~~~~~~~~~~~~~
error: aborting due to previous error

Closing.

This gives the same error:

fn main(){
    let output_dir = from_str("/tmp/delete_me").unwrap();
    std::os::make_dir(&output_dir, 0b111_111_111);
    ::std::rt::io::support::PathLike::path_as_str(output_dir);
}

Auto merge of rust-lang#6873 - Y-Nak:refactor-casts-lint, r=flip1995

Merge pull request #6873 from thunderseethe/main

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Internal compiler error - "failed to find block with tag 12" #6873

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Internal compiler error - "failed to find block with tag 12" #6873

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huonw commented on Jul 23, 2013

eerden commented on Oct 18, 2013

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