trim paths from ldflags in BuildInfo instead of removing them

Fixes #63432

Author: LaurentGoderre

src/cmd/go/internal/load/pkg.go

@@ -2348,8 +2348,9 @@ func (p *Package) setBuildInfo(ctx context.Context, autoVCS bool) {
 		// redact only those paths from the recorded -ldflags setting and still
 		// record the system-independent parts of the flags.
 		if !cfg.BuildTrimpath {
-			appendSetting("-ldflags", ldflags)
+			ldflags = trimLdFlags(ldflags)
 		}
+		appendSetting("-ldflags", ldflags)
 	}
 	if cfg.BuildCover {
 		appendSetting("-cover", "true")
@@ -2505,6 +2506,12 @@ omitVCS:
 	p.Internal.BuildInfo = info
 }
 
+// trimLdFlags replaces know paths with variable and removes
+// flags with absolute paths
+func trimLdFlags(flags string) string {
+	return flags
+}
+
 // SafeArg reports whether arg is a "safe" command-line argument,
 // meaning that when it appears in a command-line, it probably
 // doesn't have some special meaning other than its own name.

src/cmd/go/internal/load/pkg_test.go

@@ -247,6 +247,27 @@ build	-ldflags="-flag1 -flag2"
 build	CGO_ENABLED=0
 build	GOARCH=foo
 build	GOOS=bar
+`,
+		},
+		{
+			name: "ldflags with trimpath",
+			buildContext: map[string]string{
+				"arch":     "foo",
+				"os":       "bar",
+				"compiler": "baz",
+				"cgo":      "false",
+				"ldflags":  "-flag1 -flag2",
+				"trimpath": "true",
+			},
+			pkg:     Package{},
+			autoVCS: true,
+			want: `build	-buildmode=
+build	-compiler=baz
+build	-ldflags="-flag1 -flag2"
+build	-trimpath=true
+build	CGO_ENABLED=0
+build	GOARCH=foo
+build	GOOS=bar
 `,
 		},
 		{