ICE - monomorphization related

[paulstansifer]

I added a type parameter to the parser; this caused an ICE. I haven't had any luck isolating a small example, but the guilty commit is at paulstansifer@2b02574

Relevant part of the backtrace:

rust: upcall fail 'option none', /home/rustbuild/src/rustbot/workspace-snap-stage3-x86_64-unknown-linux-gnu/src/src/rustc/rustc.rc:1
/home/paul/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(_ZN9rust_task4failEv+0x28)[0x2ba2c74ecd88]
/home/paul/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(+0x2f739)[0x2ba2c7503739]
/home/paul/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustrt.so(upcall_fail+0x164)[0x2ba2c74f0e74]
/home/paul/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-688fa7810161fd45-0.2.so(_ZN6middle5trans4impl22find_vtable_in_fn_ctxt17_2df7f898566251f83_02E+0x238)[0x2ba2c6e3bcc8]
/home/paul/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-688fa7810161fd45-0.2.so(_ZN6middle5trans4impl26trans_monomorphized_callee17_6cf3821e99a569183_02E+0xb6)[0x2ba2c6e3a276]
/home/paul/src/rust/build/x86_64-unknown-linux-gnu/stage0/bin/../lib/librustc-688fa7810161fd45-0.2.so(_ZN6middle5trans4impl19trans_method_callee17_70b6f8c98bee506d3_02E+0x188)[0x2ba2c6dc26c8]

[eholk]

Does this still happen? We've fixed a few monomorphization related bugs recently.

[paulstansifer]

I rebased and got the same error. The new commit is paulstansifer@d0ffdf9

[catamorphism]

Sorry, I can't try to reproduce this again without doing a lot of rebasing. @paulstansifer , if you're able to isolate this bug further, please reopen -- otherwise I'm going to close, since it doesn't seem to be possible to test quickly whether this bug still exists.

[paulstansifer]

That's fair.