'no entry found for key' at compiler/src/yul/mappers/module.rs:25:46

[agroce]

Compiling this file:

contract Foo:
 pub def o()->address:
        foo:Foo=Foo.create2(2,0)
        return address(foo)

thread 'main' panicked at 'no entry found for key', compiler/src/yul/mappers/module.rs:25:46
stack backtrace:
   0:     0x55bc7b0e6390 - std::backtrace_rs::backtrace::libunwind::trace::h9d49145f95eb5894
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
   1:     0x55bc7b0e6390 - std::backtrace_rs::backtrace::trace_unsynchronized::hab1d020365bb6864
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x55bc7b0e6390 - std::sys_common::backtrace::_print_fmt::h7659588431e304bd
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x55bc7b0e6390 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h09f4a9e3befae3c7
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/sys_common/backtrace.rs:46:22
   4:     0x55bc7b1012ec - core::fmt::write::hf3fdfde304b9a088
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/core/src/fmt/mod.rs:1092:17
   5:     0x55bc7b0e32f2 - std::io::Write::write_fmt::h1cb850689c7116f0
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/io/mod.rs:1568:15
   6:     0x55bc7b0e8555 - std::sys_common::backtrace::_print::hdbccd5aa093ba544
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/sys_common/backtrace.rs:49:5
   7:     0x55bc7b0e8555 - std::sys_common::backtrace::print::hc639c4f320222558
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/sys_common/backtrace.rs:36:9
   8:     0x55bc7b0e8555 - std::panicking::default_hook::{{closure}}::hdb012dd7a485bb5d
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/panicking.rs:208:50
   9:     0x55bc7b0e8003 - std::panicking::default_hook::h75facbce77b6ba91
                               at /rustc/9c09c1f7cfcf9de0522bcd1cfda32b552195c464/library/std/src/panicking.rs:225:9
  10:     0x55bc7a3ce37f - fe_compiler::errors::DEFAULT_PANIC_HOOK::{{closure}}::{{closure}}::hec7a48a425c777e3

You've hit an internal compiler error. This is a bug in the Fe compiler.
Fe is still under heavy development, and isn't yet ready for production use.

If you would, please report this bug at the following URL:
  https://github.com/ethereum/fe/issues/new
Aborted

On latest github master, built with

[profile.dev]
debug = true
panic = "abort"

for fuzzing. Using https://github.com/agroce/afl-compiler-fuzzer