--- a/js/src/jsopcode.cpp
+++ b/js/src/jsopcode.cpp
@@ -839,17 +839,17 @@ js_NewPrinter(JSContext *cx, const char 
         if (!jp->localNames) {
             js_DestroyPrinter(jp);
             return NULL;
         }
     }
     return jp;
 }
 
-bool
+JSBool
 js_DestroyPrinter(JSPrinter *jp)
 {
     JS_FinishArenaPool(&jp->pool);
     bool error = jp->error;
     jp->sprinter.context->free(jp);
     return error;
 }
 

--- a/js/src/jsopcode.h
+++ b/js/src/jsopcode.h
@@ -306,17 +306,17 @@ js_QuoteString(JSContext *cx, JSString *
  * functions need not be re-marked with a strict directive.  It should
  * be false in the outermost printer.
  */
 
 extern JSPrinter *
 js_NewPrinter(JSContext *cx, const char *name, JSFunction *fun,
               uintN indent, JSBool pretty, JSBool grouped, JSBool strict);
 
-extern bool
+extern JSBool
 js_DestroyPrinter(JSPrinter *jp);
 
 extern JSString *
 js_GetPrinterOutput(JSPrinter *jp);
 
 extern int
 js_printf(JSPrinter *jp, const char *format, ...);