diff --git a/src/cmd/link/internal/ld/lib.go b/src/cmd/link/internal/ld/lib.go
index 2075066e31..4b23ecc483 100644
--- a/src/cmd/link/internal/ld/lib.go
+++ b/src/cmd/link/internal/ld/lib.go
@@ -856,6 +856,13 @@ func loadobjfile(ctxt *Link, lib *sym.Library) {
 			continue
 		}
 
+		// Skip other special (non-object-file) sections that
+		// build tools may have added. Such sections must have
+		// short names so that the suffix is not truncated.
+		if len(arhdr.name) < 16 && !strings.HasSuffix(arhdr.name, ".o") {
+			continue
+		}
+
 		pname := fmt.Sprintf("%s(%s)", lib.File, arhdr.name)
 		l = atolwhex(arhdr.size)
 		ldobj(ctxt, f, lib, l, pname, lib.File)
diff --git a/src/cmd/link/link_test.go b/src/cmd/link/link_test.go
index 4ec03abc85..6ed751abb5 100644
--- a/src/cmd/link/link_test.go
+++ b/src/cmd/link/link_test.go
@@ -6,6 +6,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strings"
 	"testing"
 )
 
@@ -70,3 +71,48 @@ func main() {}
 		t.Fatalf("failed to link main.o: %v, output: %s\n", err, out)
 	}
 }
+
+// TestIssue28429 ensures that the linker does not attempt to link
+// sections not named *.o. Such sections may be used by a build system
+// to, for example, save facts produced by a modular static analysis
+// such as golang.org/x/tools/go/analysis.
+func TestIssue28429(t *testing.T) {
+	testenv.MustHaveGoBuild(t)
+
+	tmpdir, err := ioutil.TempDir("", "issue28429-")
+	if err != nil {
+		t.Fatalf("failed to create temp dir: %v", err)
+	}
+	defer os.RemoveAll(tmpdir)
+
+	write := func(name, content string) {
+		err := ioutil.WriteFile(filepath.Join(tmpdir, name), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	runGo := func(args ...string) {
+		cmd := exec.Command(testenv.GoToolPath(t), args...)
+		cmd.Dir = tmpdir
+		out, err := cmd.CombinedOutput()
+		if err != nil {
+			t.Fatalf("'go %s' failed: %v, output: %s",
+				strings.Join(args, " "), err, out)
+		}
+	}
+
+	// Compile a main package.
+	write("main.go", "package main; func main() {}")
+	runGo("tool", "compile", "-p", "main", "main.go")
+	runGo("tool", "pack", "c", "main.a", "main.o")
+
+	// Add an extra section with a short, non-.o name.
+	// This simulates an alternative build system.
+	write(".facts", "this is not an object file")
+	runGo("tool", "pack", "r", "main.a", ".facts")
+
+	// Verify that the linker does not attempt
+	// to compile the extra section.
+	runGo("tool", "link", "main.a")
+}