ICE in trans with guarded match arms

[brson]

fn main() {
    match some(true) {
      some(false) => {
      }
      whatever if false => {
      }
      some(true) => {
      }
      none => ()
    }
}

rust: task failed at 'Assertion m.len() > 0u || is_some(chk) failed', /home/banderson/Dev/rust3/src/rustc/middle/trans/alt.rs:451

[catamorphism]

May be a dup of #2869

[nikomatsakis]

not a dup, I think.

[catamorphism]

This is indeed a dup of #2869.

[rust-log-analyzer]

The job x86_64-gnu-llvm-16 failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

Built container sha256:9c3c93a371e5aed5c18185b24f130d95d5140dbd72a9b325e7b6b49e521a4faa
Looks like docker image is the same as before, not uploading
https://ci-caches.rust-lang.org/docker/7ebc15c01a233894034d277c8cce4e949f4e7791f66b4727c8fb6e058a0b8171d6152e1441d677cef0653843ceeee469c097b8699b2bb74249e674f6aa1a8813
sha256:9c3c93a371e5aed5c18185b24f130d95d5140dbd72a9b325e7b6b49e521a4faa
Setting extra environment values for docker:  --env ENABLE_GCC_CODEGEN=1 --env GCC_EXEC_PREFIX=/usr/lib/gcc/
[CI_JOB_NAME=x86_64-gnu-llvm-16]
##[group]Clock drift check
  local time: Sun Jan  7 16:29:44 UTC 2024
  network time: Sun, 07 Jan 2024 16:29:44 GMT
  network time: Sun, 07 Jan 2024 16:29:44 GMT
##[endgroup]
sccache: Starting the server...
##[group]Configure the build
configure: processing command line
configure: 
configure: build.configure-args := ['--build=x86_64-unknown-linux-gnu', '--llvm-root=/usr/lib/llvm-16', '--enable-llvm-link-shared', '--set', 'rust.thin-lto-import-instr-limit=10', '--set', 'change-id=99999999', '--enable-verbose-configure', '--enable-sccache', '--disable-manage-submodules', '--enable-locked-deps', '--enable-cargo-native-static', '--set', 'rust.codegen-units-std=1', '--set', 'dist.compression-profile=balanced', '--dist-compression-formats=xz', '--set', 'build.optimized-compiler-builtins', '--disable-dist-src', '--release-channel=nightly', '--enable-debug-assertions', '--enable-overflow-checks', '--enable-llvm-assertions', '--set', 'rust.verify-llvm-ir', '--set', 'rust.codegen-backends=llvm,cranelift,gcc', '--set', 'llvm.static-libstdcpp', '--enable-new-symbol-mangling']
configure: target.x86_64-unknown-linux-gnu.llvm-config := /usr/lib/llvm-16/bin/llvm-config
configure: llvm.link-shared     := True
configure: rust.thin-lto-import-instr-limit := 10
configure: change-id            := 99999999
---
##[endgroup]
Skipping Set({test::src/tools/tidy}) because it is excluded
##[group]Building stage0 library artifacts (x86_64-unknown-linux-gnu)
    Updating crates.io index
error: the lock file /checkout/Cargo.lock needs to be updated but --locked was passed to prevent this
If you want to try to generate the lock file without accessing the network, remove the --locked flag and use --offline instead.
  local time: Sun Jan  7 16:30:20 UTC 2024
  network time: Sun, 07 Jan 2024 16:30:20 GMT
##[error]Process completed with exit code 1.
Post job cleanup.