fix(asm): adapt the flag list integration test to the paired oracle

Assisted-by: GLM 5.3 Flash

asm/flaglist_integration_test.go

@@ -103,13 +103,16 @@ func TestFlagListByteParity(t *testing.T) {
 			if oout, err := cmd.CombinedOutput(); err != nil {
 				t.Fatalf("go tool asm: %v\n%s", err, oout)
 			}
-			goCode, ok := oracleFuncText(t, mustRead(t, objPath))["f"]
+			blocks, ok := oracleFuncText(t, mustRead(t, objPath))["f"]
 			if !ok {
 				t.Fatal("the oracle output carries no f")
 			}
+			if len(blocks) != 1 {
+				t.Fatalf("%d text blocks for f, want 1", len(blocks))
+			}
+			goCode := blocks[0]
 			fn := img.Funcs[0]
 			gasmCode := maskCode(append([]byte(nil), img.Code[fn.Offset:fn.Offset+fn.Size]...), fn.Relocs)
-			goCode = maskCode(append([]byte(nil), goCode...), fn.Relocs)
 			cmpLen := min(len(goCode), len(gasmCode))
 			if !bytes.Equal(gasmCode[:cmpLen], goCode[:cmpLen]) {
 				t.Errorf("bytes differ:\ngasm: % x\ngo:   % x", gasmCode[:cmpLen], goCode[:cmpLen])