Merge pull request #4155 from nhelfman:master

PiperOrigin-RevId: 615931858

Author: copybara-github

src/com/google/javascript/jscomp/CommandLineRunner.java

@@ -965,6 +965,20 @@ private static class Flags {
                 + "stub functions in a parent chunk.")
     private boolean assumeNoPrototypeMethodEnumeration = false;
 
+    @Option(
+        name = "--variable_map_input_file",
+        usage =
+            "File containing the serialized version of the variable "
+                + "renaming map produced by a previous compilation")
+    private String variableMapInputFile = "";
+
+    @Option(
+        name = "--property_map_input_file",
+        usage =
+            "File containing the serialized version of the property "
+                + "renaming map produced by a previous compilation")
+    private String propertyMapInputFile = "";
+
     @Argument private List<String> arguments = new ArrayList<>();
     private final CmdLineParser parser;
 
@@ -1760,6 +1774,8 @@ private void initConfigFromFlags(String[] args, PrintStream out, PrintStream err
           .setVariableMapOutputFile(flags.variableMapOutputFile)
           .setCreateNameMapFiles(flags.createNameMapFiles)
           .setPropertyMapOutputFile(flags.propertyMapOutputFile)
+          .setPropertyMapInputFile(flags.propertyMapInputFile)
+          .setVariableMapInputFile(flags.variableMapInputFile)
           .setInstrumentationMappingFile(flags.instrumentationMappingOutputFile)
           .setCodingConvention(conv)
           .setSummaryDetailLevel(flags.summaryDetailLevel)