diff --git a/go_std_tables.go b/go_std_tables.go
index 6d801f0..6d6fc7b 100644
--- a/go_std_tables.go
+++ b/go_std_tables.go
@@ -1,6 +1,6 @@
 // Code generated by scripts/gen-go-std-tables.sh; DO NOT EDIT.
 
-// Generated from Go version devel go1.22-a2a2c5b947 Wed Dec 20 02:18:50 2023 +0000.
+// Generated from Go version devel go1.23-1400b26852 Thu Feb 8 03:02:00 2024 +0000.
 
 package main
 
@@ -20,8 +20,11 @@ var runtimeAndDeps = map[string]bool{
 	"runtime/internal/sys":     true,
 	"runtime/internal/syscall": true,
 	"runtime":                  true,
-	// Not a runtime dependency, but still uses tricks allowed by import path.
-	// Not a big deal either way, given that it's only imported in test packages.
+	// Not runtime dependencies, but still use tricks allowed by import path.
+	// TODO: collect directly from cmd/internal/objabi/pkgspecial.go,
+	// in this particular case from allowAsmABIPkgs.
+	"reflect":                        true,
+	"syscall":                        true,
 	"runtime/internal/startlinetest": true,
 }
 
diff --git a/scripts/gen-go-std-tables.sh b/scripts/gen-go-std-tables.sh
index 6348025..30f771e 100755
--- a/scripts/gen-go-std-tables.sh
+++ b/scripts/gen-go-std-tables.sh
@@ -34,8 +34,11 @@ var runtimeAndDeps = map[string]bool{
 $(for path in ${runtime_and_deps}; do
 	echo "\"${path}\": true,"
 done)
-	// Not a runtime dependency, but still uses tricks allowed by import path.
-	// Not a big deal either way, given that it's only imported in test packages.
+	// Not runtime dependencies, but still use tricks allowed by import path.
+	// TODO: collect directly from cmd/internal/objabi/pkgspecial.go,
+	// in this particular case from allowAsmABIPkgs.
+	"reflect": true,
+	"syscall": true,
 	"runtime/internal/startlinetest": true,
 }
 
diff --git a/shared.go b/shared.go
index 811ee87..b5b8401 100644
--- a/shared.go
+++ b/shared.go
@@ -188,6 +188,7 @@ func (p *listedPackage) obfuscatedImportPath() string {
 	case "runtime", "reflect", "embed":
 		return p.ImportPath
 	}
+	// Intrinsics are matched by package import path as well.
 	if compilerIntrinsicsPkgs[p.ImportPath] {
 		return p.ImportPath
 	}
diff --git a/testdata/script/crossbuild.txtar b/testdata/script/crossbuild.txtar
index 75f47b9..b2e5208 100644
--- a/testdata/script/crossbuild.txtar
+++ b/testdata/script/crossbuild.txtar
@@ -18,6 +18,16 @@
 [arm] env GOARCH=arm64
 exec garble build -gcflags=math/bits=-d=ssa/intrinsics/debug=1
 stderr 'intrinsic substitution for Len64.*BitLen64'
+
+# As a last step, also test building for MacOS if we're not already on it.
+# We already cover Windows and Linux above, and MacOS is the other major OS.
+# The way it is implemented in the standard library, in particular with syscalls,
+# is different enough that it sometimes causes special bugs.
+[darwin] stop
+env GOOS=darwin
+env GOARCH=arm64
+exec garble build
+
 -- go.mod --
 module test/main
 
diff --git a/testdata/script/gogarble.txtar b/testdata/script/gogarble.txtar
index 3d9dab3..3931c9c 100644
--- a/testdata/script/gogarble.txtar
+++ b/testdata/script/gogarble.txtar
@@ -36,11 +36,11 @@ exec garble build std
 # Also ensure we are obfuscating low-level std packages.
 exec garble build -o=out ./stdimporter
 ! stderr . # no warnings
-! binsubstr out 'http.ListenAndServe' 'debug.WriteHeapDump' 'time.Now' 'syscall.Listen'
+! binsubstr out 'http.ListenAndServe' 'debug.WriteHeapDump' 'time.Now'
 
 # The same low-level std packages appear in plain sight in regular builds.
 go build -o=out_regular ./stdimporter
-binsubstr out_regular 'http.ListenAndServe' 'debug.WriteHeapDump' 'time.Now' 'syscall.Listen'
+binsubstr out_regular 'http.ListenAndServe' 'debug.WriteHeapDump' 'time.Now'
 
 # Also check that a full rebuild is reproducible, via a new GOCACHE.
 # This is slow, but necessary to uncover bugs hidden by the build cache.
@@ -79,7 +79,6 @@ import (
 	"net/http"
 	"runtime/debug"
 	"time"
-	"syscall"
 )
 
 func main() {
@@ -88,5 +87,4 @@ func main() {
 	// as it is implemented by runtime via a linkname.
 	debug.WriteHeapDump(1)
 	time.Now()
-	syscall.Listen(0, 1)
 }