diff --git a/src/cmd/internal/objabi/exp.go b/src/cmd/internal/objabi/exp.go
index eaa8620807..48201ae5ea 100644
--- a/src/cmd/internal/objabi/exp.go
+++ b/src/cmd/internal/objabi/exp.go
@@ -18,7 +18,7 @@ import (
 //
 // (This is not necessarily the set of experiments the compiler itself
 // was built with.)
-var Experiment goexperiment.Flags
+var Experiment goexperiment.Flags = parseExperiments()
 
 // FramePointerEnabled enables the use of platform conventions for
 // saving frame pointers.
@@ -29,9 +29,9 @@ var Experiment goexperiment.Flags
 // Note: must agree with runtime.framepointer_enabled.
 var FramePointerEnabled = GOARCH == "amd64" || GOARCH == "arm64"
 
-func init() {
-	// Start with the baseline configuration.
-	Experiment = goexperiment.BaselineFlags
+func parseExperiments() goexperiment.Flags {
+	// Start with the statically enabled set of experiments.
+	flags := goexperiment.BaselineFlags
 
 	// Pick up any changes to the baseline configuration from the
 	// GOEXPERIMENT environment. This can be set at make.bash time
@@ -41,7 +41,7 @@ func init() {
 	if env != "" {
 		// Create a map of known experiment names.
 		names := make(map[string]reflect.Value)
-		rv := reflect.ValueOf(&Experiment).Elem()
+		rv := reflect.ValueOf(&flags).Elem()
 		rt := rv.Type()
 		for i := 0; i < rt.NumField(); i++ {
 			field := rv.Field(i)
@@ -56,7 +56,7 @@ func init() {
 			if f == "none" {
 				// GOEXPERIMENT=none restores the baseline configuration.
 				// (This is useful for overriding make.bash-time settings.)
-				Experiment = goexperiment.BaselineFlags
+				flags = goexperiment.BaselineFlags
 				continue
 			}
 			val := true
@@ -74,29 +74,30 @@ func init() {
 
 	// regabi is only supported on amd64.
 	if GOARCH != "amd64" {
-		Experiment.Regabi = false
-		Experiment.RegabiWrappers = false
-		Experiment.RegabiG = false
-		Experiment.RegabiReflect = false
-		Experiment.RegabiDefer = false
-		Experiment.RegabiArgs = false
+		flags.Regabi = false
+		flags.RegabiWrappers = false
+		flags.RegabiG = false
+		flags.RegabiReflect = false
+		flags.RegabiDefer = false
+		flags.RegabiArgs = false
 	}
 	// Setting regabi sets working sub-experiments.
-	if Experiment.Regabi {
-		Experiment.RegabiWrappers = true
-		Experiment.RegabiG = true
-		Experiment.RegabiReflect = true
-		Experiment.RegabiDefer = true
+	if flags.Regabi {
+		flags.RegabiWrappers = true
+		flags.RegabiG = true
+		flags.RegabiReflect = true
+		flags.RegabiDefer = true
 		// Not ready yet:
-		//Experiment.RegabiArgs = true
+		//flags.RegabiArgs = true
 	}
 	// Check regabi dependencies.
-	if Experiment.RegabiG && !Experiment.RegabiWrappers {
+	if flags.RegabiG && !flags.RegabiWrappers {
 		panic("GOEXPERIMENT regabig requires regabiwrappers")
 	}
-	if Experiment.RegabiArgs && !(Experiment.RegabiWrappers && Experiment.RegabiG && Experiment.RegabiReflect && Experiment.RegabiDefer) {
+	if flags.RegabiArgs && !(flags.RegabiWrappers && flags.RegabiG && flags.RegabiReflect && flags.RegabiDefer) {
 		panic("GOEXPERIMENT regabiargs requires regabiwrappers,regabig,regabireflect,regabidefer")
 	}
+	return flags
 }
 
 // expList returns the list of lower-cased experiment names for