rem: try { throw 'PASS'; } catch(e) { return e; } 
add: try { throw 'PASS'; } catch(e) { return e; } 
context:   function f()  {      try       {          throw 'PASS';       }      catch(e)       {          return e;      }  }
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/0b675418ba636127763e94e614e62364d6caa659/regress-58946.js/clean/js/tests/ecma_3/Exceptions/regress-58946.js