get trimming test working again (JuliaLang#56689)

Author: JeffBezanson

contrib/juliac.jl

@@ -4,7 +4,6 @@
 cmd = Base.julia_cmd()
 cmd = `$cmd --startup-file=no --history-file=no`
 output_type = nothing  # exe, sharedlib, sysimage
-trim = nothing
 outname = nothing
 file = nothing
 add_ccallables = false
@@ -15,13 +14,16 @@ if help !== nothing
     println(
         """
         Usage: julia juliac.jl [--output-exe | --output-lib | --output-sysimage] <name> [options] <file.jl>
-        --trim=<no,safe,unsafe,unsafe-warn>  Only output code statically determined to be reachable
+        --experimental --trim=<no,safe,unsafe,unsafe-warn>  Only output code statically determined to be reachable
         --compile-ccallable  Include all methods marked `@ccallable` in output
         --verbose            Request verbose output
         """)
     exit(0)
 end
 
+# arguments to forward to julia compilation process
+julia_args = []
+
 let i = 1
     while i <= length(ARGS)
         arg = ARGS[i]
@@ -31,17 +33,13 @@ let i = 1
             i == length(ARGS) && error("Output specifier requires an argument")
             global outname = ARGS[i+1]
             i += 1
-        elseif startswith(arg, "--trim")
-            arg = split(arg, '=')
-            if length(arg) == 1
-                global trim = "safe"
-            else
-                global trim = arg[2]
-            end
         elseif arg == "--compile-ccallable"
             global add_ccallables = true
         elseif arg == "--verbose"
             global verbose = true
+        elseif startswith(arg, "--trim") || arg == "--experimental"
+            # forwarded args
+            push!(julia_args, arg)
         else
             if arg[1] == '-' || !isnothing(file)
                 println("Unexpected argument `$arg`")
@@ -79,8 +77,7 @@ open(initsrc_path, "w") do io
               """)
 end
 
-static_call_graph_arg() = isnothing(trim) ?  `` : `--trim=$(trim)`
-cmd = addenv(`$cmd --project=$(Base.active_project()) --output-o $img_path --output-incremental=no --strip-ir --strip-metadata $(static_call_graph_arg()) $(joinpath(@__DIR__,"juliac-buildscript.jl")) $absfile $output_type $add_ccallables`, "OPENBLAS_NUM_THREADS" => 1, "JULIA_NUM_THREADS" => 1)
+cmd = addenv(`$cmd --project=$(Base.active_project()) --output-o $img_path --output-incremental=no --strip-ir --strip-metadata $julia_args $(joinpath(@__DIR__,"juliac-buildscript.jl")) $absfile $output_type $add_ccallables`, "OPENBLAS_NUM_THREADS" => 1, "JULIA_NUM_THREADS" => 1)
 verbose && println("Running: $cmd")
 if !success(pipeline(cmd; stdout, stderr))
     println(stderr, "\nFailed to compile $file")

src/staticdata.c

@@ -2578,6 +2578,7 @@ static void strip_specializations_(jl_method_instance_t *mi)
         if (inferred && inferred != jl_nothing) {
             if (jl_options.strip_ir) {
                 record_field_change((jl_value_t**)&codeinst->inferred, jl_nothing);
+                record_field_change((jl_value_t**)&codeinst->edges, (jl_value_t*)jl_emptysvec);
             }
             else if (jl_options.strip_metadata) {
                 jl_value_t *stripped = strip_codeinfo_meta(mi->def.method, inferred, codeinst);

test/trimming/Makefile

@@ -33,7 +33,7 @@ LDFLAGS_ADD = -lm $(shell $(JULIA_CONFIG) --ldflags --ldlibs) -ljulia-internal
 release: hello$(EXE)
 
 hello.o: $(SRCDIR)/hello.jl $(BUILDSCRIPT)
-	$(JULIA) -t 1 -J $(BIN)/../lib/julia/sys.so --startup-file=no --history-file=no --output-o $@ --output-incremental=no --strip-ir --strip-metadata --trim $(BUILDSCRIPT) $(SRCDIR)/hello.jl --output-exe true
+	$(JULIA) -t 1 -J $(BIN)/../lib/julia/sys.so --startup-file=no --history-file=no --output-o $@ --output-incremental=no --strip-ir --strip-metadata --experimental --trim $(BUILDSCRIPT) $(SRCDIR)/hello.jl --output-exe true
 
 init.o: $(SRCDIR)/init.c
 	$(CC) -c -o $@ $< $(CPPFLAGS_ADD) $(CPPFLAGS) $(CFLAGS_ADD) $(CFLAGS)