Warn about unreachable methods.

JuliaGPU · Apr 16, 2024 · 81190ed · 81190ed
1 parent edf42ab
commit 81190ed
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/jlgen.jl b/src/jlgen.jl
@@ -587,6 +587,10 @@ macro in_world(world, ex)
 end
 
 function compile_method_instance(@nospecialize(job::CompilerJob))
+ if job.source.def.primary_world > job.world || job.world > job.source.def.deleted_world
+ error("Cannot compile $(job.source) for world $(job.world); method is only valid in worlds $(job.source.def.primary_world) to $(job.source.def.deleted_world)")
+ end
+
  # populate the cache
  interp = get_interpreter(job)
  cache = CC.code_cache(interp)