Fix precompiles and enforce their validity (#208)

`precompile` doesn't error when the specified signature doesn't exist,
it just returns `false`. This enforces a match and fixes the few cases
where we were specifying a nonexistent method.

src/precompile.jl

@@ -1,44 +1,45 @@
 function _precompile_()
     ccall(:jl_generating_output, Cint, ()) == 1 || return nothing
-    precompile(Tuple{typeof(maybe_evaluate_builtin), Frame, Expr, Bool})
-    precompile(Tuple{typeof(getargs), Vector{Any}, Frame})
-    precompile(Tuple{typeof(get_call_framecode), Vector{Any}, FrameCode, Int})
-    for f in (evaluate_call!,
-              evaluate_structtype,
+    @assert precompile(Tuple{typeof(maybe_evaluate_builtin), Frame, Expr, Bool})
+    @assert precompile(Tuple{typeof(getargs), Vector{Any}, Frame})
+    @assert precompile(Tuple{typeof(get_call_framecode), Vector{Any}, FrameCode, Int})
+    @assert precompile(evaluate_call_recurse!, (Function, Frame, Expr))
+    @assert precompile(evaluate_call_compiled!, (Compiled, Frame, Expr))
+    for f in (evaluate_structtype,
               evaluate_abstracttype,
               evaluate_primitivetype)
-        precompile(Tuple{typeof(f), Any, Frame, Expr})
+        @assert precompile(Tuple{typeof(f), Any, Frame, Expr})
     end
-    precompile(Tuple{typeof(evaluate_foreigncall), Frame, Expr})
-    precompile(Tuple{typeof(evaluate_methoddef), Frame, Expr})
-    precompile(Tuple{typeof(lookup_global_refs!), Expr})
-    precompile(Tuple{typeof(lookup_or_eval), Any, Frame, Any})
-    precompile(Tuple{typeof(eval_rhs), Any, Frame, Expr})
-    precompile(Tuple{typeof(step_expr!), Any, Frame, Any, Bool})
+    @assert precompile(Tuple{typeof(evaluate_foreigncall), Frame, Expr})
+    @assert precompile(Tuple{typeof(evaluate_methoddef), Frame, Expr})
+    @assert precompile(Tuple{typeof(lookup_global_refs!), Expr})
+    @assert precompile(Tuple{typeof(lookup_or_eval), Any, Frame, Any})
+    @assert precompile(Tuple{typeof(eval_rhs), Any, Frame, Expr})
+    @assert precompile(Tuple{typeof(step_expr!), Any, Frame, Any, Bool})
     for f in (finish!, finish_and_return!, finish_stack!, next_call!, maybe_next_call!, next_line!)
-        precompile(Tuple{typeof(f), Any, Frame, Bool})
+        @assert precompile(Tuple{typeof(f), Any, Frame, Bool})
     end
-    precompile(Tuple{typeof(through_methoddef_or_done!), Any, Frame})
-    precompile(Tuple{typeof(split_expressions), Module, Expr})
-    precompile(Tuple{typeof(split_expressions!), Vector{Tuple{Module,Expr}}, Dict{Module,Vector{Expr}}, Expr, Module, Expr})
-    precompile(Tuple{typeof(prepare_thunk), Module, Expr})
-    precompile(Tuple{typeof(prepare_thunk), Module, Expr, Bool})
-    precompile(Tuple{typeof(prepare_framedata), FrameCode, Vector{Any}})
-    precompile(Tuple{typeof(prepare_args), Any, Vector{Any}, Vector{Any}})
-    precompile(Tuple{typeof(prepare_call), Any, Vector{Any}})
-    precompile(Tuple{typeof(Core.kwfunc(prepare_call)), NamedTuple{(:enter_generated,),Tuple{Bool}}, typeof(prepare_call), Function, Vector{Any}})
-    precompile(Tuple{typeof(Core.kwfunc(prepare_framecode)), NamedTuple{(:enter_generated,),Tuple{Bool}}, typeof(prepare_framecode), Method, Type})
-    precompile(Tuple{typeof(prepare_frame), FrameCode, Vector{Any}, Core.SimpleVector})
-    precompile(Tuple{typeof(extract_args), Module, Expr})
-    precompile(Tuple{typeof(enter_call), Int, Int})
-    precompile(Tuple{typeof(enter_call_expr), Expr})
-    precompile(Tuple{typeof(copy_codeinfo), Core.CodeInfo})
-    precompile(Tuple{typeof(optimize!), Core.CodeInfo, Module})
-    precompile(Tuple{typeof(set_structtype_const), Module, Symbol})
-    precompile(Tuple{typeof(namedtuple), Vector{Any}})
-    precompile(Tuple{typeof(resolvefc), Any})
-    precompile(Tuple{typeof(check_isdefined), Frame, Any})
-    precompile(Tuple{typeof(find_used), Core.CodeInfo})
-    precompile(Tuple{typeof(do_assignment!), Frame, Any, Any})
-    precompile(Tuple{typeof(pc_expr), Frame})
+    @assert precompile(Tuple{typeof(through_methoddef_or_done!), Any, Frame})
+    @assert precompile(Tuple{typeof(split_expressions), Module, Expr})
+    @assert precompile(Tuple{typeof(split_expressions!), Vector{Tuple{Module,Expr}}, Dict{Module,Vector{Expr}}, Expr, Module, Expr})
+    @assert precompile(Tuple{typeof(prepare_thunk), Module, Expr})
+    @assert precompile(Tuple{typeof(prepare_thunk), Module, Expr, Bool})
+    @assert precompile(Tuple{typeof(prepare_framedata), FrameCode, Vector{Any}})
+    @assert precompile(Tuple{typeof(prepare_args), Any, Vector{Any}, Vector{Any}})
+    @assert precompile(Tuple{typeof(prepare_call), Any, Vector{Any}})
+    @assert precompile(Tuple{typeof(Core.kwfunc(prepare_call)), NamedTuple{(:enter_generated,),Tuple{Bool}}, typeof(prepare_call), Function, Vector{Any}})
+    @assert precompile(Tuple{typeof(Core.kwfunc(prepare_framecode)), NamedTuple{(:enter_generated,),Tuple{Bool}}, typeof(prepare_framecode), Method, Tuple{Int}})
+    @assert precompile(Tuple{typeof(prepare_frame), FrameCode, Vector{Any}, Core.SimpleVector})
+    @assert precompile(Tuple{typeof(extract_args), Module, Expr})
+    @assert precompile(Tuple{typeof(enter_call), Int, Int})
+    @assert precompile(Tuple{typeof(enter_call_expr), Expr})
+    @assert precompile(Tuple{typeof(copy_codeinfo), Core.CodeInfo})
+    @assert precompile(Tuple{typeof(optimize!), Core.CodeInfo, Module})
+    @assert precompile(Tuple{typeof(set_structtype_const), Module, Symbol})
+    @assert precompile(Tuple{typeof(namedtuple), Vector{Any}})
+    @assert precompile(Tuple{typeof(resolvefc), Frame, Any})
+    @assert precompile(Tuple{typeof(check_isdefined), Frame, Any})
+    @assert precompile(Tuple{typeof(find_used), Core.CodeInfo})
+    @assert precompile(Tuple{typeof(do_assignment!), Frame, Any, Any})
+    @assert precompile(Tuple{typeof(pc_expr), Frame})
 end