Merge commit 'eedfe4a1'

Some commits in this branch are references by internal submodules. We
merge this commit to make sure that the submodule references are not
garbage collected and also reachable by master.

ttcn3/syntax/parser.go

@@ -2,11 +2,13 @@ package syntax
 
 import (
 	"bytes"
+	"context"
 	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"os"
+	trc "runtime/trace"
 	"strconv"
 	"strings"
 
@@ -77,6 +79,9 @@ func NewParser(src []byte) *parser {
 // ErrorList which is sorted by file position.
 func Parse(src []byte, opts ...ParserOption) (root *Root, names map[string]bool, uses map[string]bool) {
 
+	region := trc.StartRegion(context.Background(), "syntax.Parse")
+	defer region.End()
+
 	p := NewParser(src)
 	for _, opt := range opts {
 		if err := opt(p); err != nil {