cmd/pprof: update vendored github.com/google/pprof

Pull in the latest published version of github.com/google/pprof
as part of the continuous process of keeping Go's dependencies
up to date. Done with:

go get github.com/google/pprof
go mod tidy
go mod vendor

For #36905.
Fixes #65741.

Change-Id: Ice7b085c03ff69be97929cbe47bfd91954907529
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/564636
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>

4 files changed, 19 insertions, 6 deletions

diff --git a/src/cmd/vendor/github.com/google/pprof/profile/encode.go b/src/cmd/vendor/github.com/google/pprof/profile/encode.go
index 182c926b90..860bb304c3 100644
--- a/src/cmd/vendor/github.com/google/pprof/profile/encode.go
+++ b/src/cmd/vendor/github.com/google/pprof/profile/encode.go
@@ -530,6 +530,7 @@ func (p *Line) decoder() []decoder {
 func (p *Line) encode(b *buffer) {
 	encodeUint64Opt(b, 1, p.functionIDX)
 	encodeInt64Opt(b, 2, p.Line)
+	encodeInt64Opt(b, 3, p.Column)
 }
 
 var lineDecoder = []decoder{
@@ -538,6 +539,8 @@ var lineDecoder = []decoder{
 	func(b *buffer, m message) error { return decodeUint64(b, &m.(*Line).functionIDX) },
 	// optional int64 line = 2
 	func(b *buffer, m message) error { return decodeInt64(b, &m.(*Line).Line) },
+	// optional int64 column = 3
+	func(b *buffer, m message) error { return decodeInt64(b, &m.(*Line).Column) },
 }
 
 func (p *Function) decoder() []decoder {
diff --git a/src/cmd/vendor/github.com/google/pprof/profile/legacy_java_profile.go b/src/cmd/vendor/github.com/google/pprof/profile/legacy_java_profile.go
index 91f45e53c6..4580bab183 100644
--- a/src/cmd/vendor/github.com/google/pprof/profile/legacy_java_profile.go
+++ b/src/cmd/vendor/github.com/google/pprof/profile/legacy_java_profile.go
@@ -56,7 +56,7 @@ func javaCPUProfile(b []byte, period int64, parse func(b []byte) (uint64, []byte
 	}
 
 	// Strip out addresses for better merge.
-	if err = p.Aggregate(true, true, true, true, false); err != nil {
+	if err = p.Aggregate(true, true, true, true, false, false); err != nil {
 		return nil, err
 	}
 
@@ -99,7 +99,7 @@ func parseJavaProfile(b []byte) (*Profile, error) {
 	}
 
 	// Strip out addresses for better merge.
-	if err = p.Aggregate(true, true, true, true, false); err != nil {
+	if err = p.Aggregate(true, true, true, true, false, false); err != nil {
 		return nil, err
 	}
 
diff --git a/src/cmd/vendor/github.com/google/pprof/profile/merge.go b/src/cmd/vendor/github.com/google/pprof/profile/merge.go
index 4b66282cb8..eee0132e74 100644
--- a/src/cmd/vendor/github.com/google/pprof/profile/merge.go
+++ b/src/cmd/vendor/github.com/google/pprof/profile/merge.go
@@ -326,12 +326,13 @@ func (l *Location) key() locationKey {
 		key.addr -= l.Mapping.Start
 		key.mappingID = l.Mapping.ID
 	}
-	lines := make([]string, len(l.Line)*2)
+	lines := make([]string, len(l.Line)*3)
 	for i, line := range l.Line {
 		if line.Function != nil {
 			lines[i*2] = strconv.FormatUint(line.Function.ID, 16)
 		}
 		lines[i*2+1] = strconv.FormatInt(line.Line, 16)
+		lines[i*2+2] = strconv.FormatInt(line.Column, 16)
 	}
 	key.lines = strings.Join(lines, "|")
 	return key
@@ -418,6 +419,7 @@ func (pm *profileMerger) mapLine(src Line) Line {
 	ln := Line{
 		Function: pm.mapFunction(src.Function),
 		Line:     src.Line,
+		Column:   src.Column,
 	}
 	return ln
 }
diff --git a/src/cmd/vendor/github.com/google/pprof/profile/profile.go b/src/cmd/vendor/github.com/google/pprof/profile/profile.go
index 60ef7e9268..62df80a556 100644
--- a/src/cmd/vendor/github.com/google/pprof/profile/profile.go
+++ b/src/cmd/vendor/github.com/google/pprof/profile/profile.go
@@ -145,6 +145,7 @@ type Location struct {
 type Line struct {
 	Function *Function
 	Line     int64
+	Column   int64
 
 	functionIDX uint64
 }
@@ -436,7 +437,7 @@ func (p *Profile) CheckValid() error {
 // Aggregate merges the locations in the profile into equivalence
 // classes preserving the request attributes. It also updates the
 // samples to point to the merged locations.
-func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, address bool) error {
+func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, columnnumber, address bool) error {
 	for _, m := range p.Mapping {
 		m.HasInlineFrames = m.HasInlineFrames && inlineFrame
 		m.HasFunctions = m.HasFunctions && function
@@ -458,7 +459,7 @@ func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, address
 	}
 
 	// Aggregate locations
-	if !inlineFrame || !address || !linenumber {
+	if !inlineFrame || !address || !linenumber || !columnnumber {
 		for _, l := range p.Location {
 			if !inlineFrame && len(l.Line) > 1 {
 				l.Line = l.Line[len(l.Line)-1:]
@@ -466,6 +467,12 @@ func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, address
 			if !linenumber {
 				for i := range l.Line {
 					l.Line[i].Line = 0
+					l.Line[i].Column = 0
+				}
+			}
+			if !columnnumber {
+				for i := range l.Line {
+					l.Line[i].Column = 0
 				}
 			}
 			if !address {
@@ -627,10 +634,11 @@ func (l *Location) string() string {
 	for li := range l.Line {
 		lnStr := "??"
 		if fn := l.Line[li].Function; fn != nil {
-			lnStr = fmt.Sprintf("%s %s:%d s=%d",
+			lnStr = fmt.Sprintf("%s %s:%d:%d s=%d",
 				fn.Name,
 				fn.Filename,
 				l.Line[li].Line,
+				l.Line[li].Column,
 				fn.StartLine)
 			if fn.Name != fn.SystemName {
 				lnStr = lnStr + "(" + fn.SystemName + ")"