035 autodischarge prefers void

✗ Failing This test is currently failing.

Failed: backend-exec

Failure Output

Showing last 10 of 11 lines
  --> auto_discharge:24:0

❌ Compiler coordination error: Auto-discharge failed (multiple disposal options or no disposal event)
error: CompilerCoordinationFailed
/Users/larsde/src/koru/tests/regression/300_ADVANCED_FEATURES/330_PHANTOM_TYPES/330_035_autodischarge_prefers_void/backend.zig:9409:17: 0x100e8a4af in emit (backend)
                return error.CompilerCoordinationFailed;
                ^
/Users/larsde/src/koru/tests/regression/300_ADVANCED_FEATURES/330_PHANTOM_TYPES/330_035_autodischarge_prefers_void/backend.zig:9493:28: 0x100e8b2b7 in main (backend)
    const generated_code = try RuntimeEmitter.emit(compile_allocator, final_ast);
                           ^

Code

pub const Handle = struct {
    id: i32,
};
~event open {}
| ok *Handle[open!]
~proc open {
    std.debug.print("opened\n", .{});
    const h = std.heap.page_allocator.create(Handle) catch unreachable;
    h.* = .{ .id = 42 };
    return .{ .ok = h };
}
~event close_quiet { h: *Handle[!open] }
~proc close_quiet {
    std.debug.print("closed quietly\n", .{});
    std.heap.page_allocator.destroy(h);
}
~event close_checked { h: *Handle[!open] }
| error []const u8
~proc close_checked {
    std.heap.page_allocator.destroy(h);
}
const std = @import("std");
~open()
| ok _ |> _
input.kz

Expected

opened
closed quietly

Test Configuration

MUST_RUN

Expected Behavior:

COMPILE_ONLY # Verify the void event is used for auto-discharge, not the branched one CONTAINS close_quiet_event.handler NOT_CONTAINS close_checked_event.handler