message: fix(ivy): clone ts.SourceFile in ivy_switch when triggered
  Make a copy of the ts.SourceFile before modifying it in the ivy_switch
  transform. It's suspected that the Bazel tsc_wrapped host's SourceFile
  cache has issues when the ts.SourceFiles are mutated.
  PR Close
diff: @@ -42,6 +42,7 @@ function flipIvySwitchInFile(sf: ts.SourceFile): ts.SourceFile {
  // Only update the statements in the SourceFile if any have changed.
  if (newStatements !== undefined) {
  + sf = ts.getMutableClone(sf);
  sf.statements = ts.createNodeArray(newStatements);
  }
  return sf;
  