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.

For #36905.

[git-generate]
cd src/cmd
go get github.com/google/pprof@v0.0.0-20251114195745-4902fdda35c8
go mod tidy
go mod vendor

Change-Id: Id26eb632f637fb2c602d87cb83fdff7f099934ce
Reviewed-on: https://go-review.googlesource.com/c/go/+/725500
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>

3 files changed, 14 insertions, 12 deletions

diff --git a/src/cmd/vendor/github.com/google/pprof/internal/driver/config.go b/src/cmd/vendor/github.com/google/pprof/internal/driver/config.go
index 184de397ef..20d169c8f6 100644
--- a/src/cmd/vendor/github.com/google/pprof/internal/driver/config.go
+++ b/src/cmd/vendor/github.com/google/pprof/internal/driver/config.go
@@ -164,7 +164,7 @@ func init() {
 
 	def := defaultConfig()
 	configFieldMap = map[string]configField{}
-	t := reflect.TypeOf(config{})
+	t := reflect.TypeFor[config]()
 	for i, n := 0, t.NumField(); i < n; i++ {
 		field := t.Field(i)
 		js := strings.Split(field.Tag.Get("json"), ",")
diff --git a/src/cmd/vendor/github.com/google/pprof/internal/driver/html/header.html b/src/cmd/vendor/github.com/google/pprof/internal/driver/html/header.html
index 5405a0be95..4d0f198a69 100644
--- a/src/cmd/vendor/github.com/google/pprof/internal/driver/html/header.html
+++ b/src/cmd/vendor/github.com/google/pprof/internal/driver/html/header.html
@@ -10,7 +10,7 @@
     </div>
     <div class="submenu">
       <a title="{{.Help.top}}"  href="./top" id="topbtn">Top</a>
-      <a title="{{.Help.graph}}" href="./" id="graphbtn">Graph</a>
+      <a title="{{.Help.graph}}" href="./graph" id="graphbtn">Graph</a>
       <a title="{{.Help.flamegraph}}" href="./flamegraph" id="flamegraph">Flame Graph</a>
       <a title="{{.Help.peek}}" href="./peek" id="peek">Peek</a>
       <a title="{{.Help.list}}" href="./source" id="list">Source</a>
diff --git a/src/cmd/vendor/github.com/google/pprof/internal/driver/webui.go b/src/cmd/vendor/github.com/google/pprof/internal/driver/webui.go
index ac7465c93e..568a5cb99a 100644
--- a/src/cmd/vendor/github.com/google/pprof/internal/driver/webui.go
+++ b/src/cmd/vendor/github.com/google/pprof/internal/driver/webui.go
@@ -125,21 +125,23 @@ func serveWebInterface(hostport string, p *profile.Profile, o *plugin.Options, d
 		Host:     host,
 		Port:     port,
 		Handlers: map[string]http.Handler{
-			"/":              http.HandlerFunc(ui.dot),
-			"/top":           http.HandlerFunc(ui.top),
-			"/disasm":        http.HandlerFunc(ui.disasm),
-			"/source":        http.HandlerFunc(ui.source),
-			"/peek":          http.HandlerFunc(ui.peek),
-			"/flamegraph":    http.HandlerFunc(ui.stackView),
-			"/flamegraph2":   redirectWithQuery("flamegraph", http.StatusMovedPermanently), // Keep legacy URL working.
-			"/flamegraphold": redirectWithQuery("flamegraph", http.StatusMovedPermanently), // Keep legacy URL working.
-			"/saveconfig":    http.HandlerFunc(ui.saveConfig),
-			"/deleteconfig":  http.HandlerFunc(ui.deleteConfig),
+			"/":             redirectWithQuery("flamegraph", http.StatusMovedPermanently),
+			"/graph":        http.HandlerFunc(ui.dot),
+			"/top":          http.HandlerFunc(ui.top),
+			"/disasm":       http.HandlerFunc(ui.disasm),
+			"/source":       http.HandlerFunc(ui.source),
+			"/peek":         http.HandlerFunc(ui.peek),
+			"/flamegraph":   http.HandlerFunc(ui.stackView),
+			"/saveconfig":   http.HandlerFunc(ui.saveConfig),
+			"/deleteconfig": http.HandlerFunc(ui.deleteConfig),
 			"/download": http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
 				w.Header().Set("Content-Type", "application/vnd.google.protobuf+gzip")
 				w.Header().Set("Content-Disposition", "attachment;filename=profile.pb.gz")
 				p.Write(w)
 			}),
+			// Keep legacy URLs working.
+			"/flamegraph2":   redirectWithQuery("flamegraph", http.StatusMovedPermanently),
+			"/flamegraphold": redirectWithQuery("flamegraph", http.StatusMovedPermanently),
 		},
 	}