trace: update gen.bash for Go 1.25 renames

Disable a test that counts Sync events. Re-enable it after pulling in
the Go 1.25 parser.

For golang/go#73558

Change-Id: I5ab2a2ce34c1e4a3d31fd599c2ae683334433474
Reviewed-on: https://go-review.googlesource.com/c/exp/+/669257
Auto-Submit: Rhys Hiltner <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Carlos Amedee <[email protected]>
Reviewed-by: Cherry Mui <[email protected]>

Author: rhysh

trace/flightrecorder_test.go

@@ -196,6 +196,7 @@ func TestFlightRecorderLog(t *testing.T) {
 }
 
 func TestFlightRecorderOneGeneration(t *testing.T) {
+	t.Skip("requires update for Go 1.25's additional Sync event, go.dev/issue/73558")
 	test := func(t *testing.T, fr *FlightRecorder) {
 		tr := testFlightRecorder(t, fr, func(snapshot func()) {
 			// Sleep to let a few generations pass.

trace/gen.bash

@@ -45,12 +45,12 @@ rsync -av --delete $SRC/ $DST
 rm $DST/trace_test.go
 rm -r $DST/testdata/testprog
 
-# Remove the oldtrace testdata to avoid checking in new binary files.
-# Remove oldtrace_test.go and internal/oldtrace/parser_test.go because
+# Remove the tracev1 testdata to avoid checking in new binary files.
+# Remove tracev1_test.go and internal/tracev1/parser_test.go because
 # they fail without this data.
-rm -r $DST/internal/oldtrace/testdata
-rm $DST/oldtrace_test.go
-rm $DST/internal/oldtrace/parser_test.go
+rm -r $DST/internal/tracev1/testdata
+rm $DST/tracev1_test.go
+rm $DST/internal/tracev1/parser_test.go
 
 # Remove files that are only pertinent to cmd/trace.
 rm $DST/export_test.go
@@ -66,15 +66,14 @@ rm $DST/testdata/mktests.go
 
 # Make some packages internal.
 mv $DST/raw $DST/internal/raw
-mv $DST/event $DST/internal/event
+mv $DST/tracev2 $DST/internal/tracev2
 mv $DST/version $DST/internal/version
 mv $DST/testtrace $DST/internal/testtrace
 
 # Fix up import paths.
 find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's internal/trace golang.org/x/exp/trace '
 find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's golang.org/x/exp/trace/raw golang.org/x/exp/trace/internal/raw '
-find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's golang.org/x/exp/trace/event golang.org/x/exp/trace/internal/event '
-find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's golang.org/x/exp/trace/event/go122 golang.org/x/exp/trace/internal/event/go122 '
+find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's golang.org/x/exp/trace/tracev2 golang.org/x/exp/trace/internal/tracev2 '
 find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's golang.org/x/exp/trace/version golang.org/x/exp/trace/internal/version '
 find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's golang.org/x/exp/trace/testtrace golang.org/x/exp/trace/internal/testtrace '
 find $DST -name '*.go' | xargs -- sed -i'.tmp' -e 's internal/txtar golang.org/x/tools/txtar '