Fix compilation errors.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 0349a35ca85f6afb23ee7eb5b3f3120b8600cc66..75c154376d4760d9fc0bc4958f8da55c3e13134e 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -459,14 +459,14 @@ OptimizedCompileJob::Status OptimizedCompileJob::GenerateCode() {
       } else if (info()->bailout_reason() == kMapBecameDeprecated) {
         if (FLAG_trace_opt) {
           PrintF("[aborted optimizing ");
-          function->ShortPrint();
+          info()->closure()->ShortPrint();
           PrintF(" because a map became deprecated]\n");
         }
         return AbortOptimization();
       } else if (info()->bailout_reason() == kMapBecameUnstable) {
         if (FLAG_trace_opt) {
           PrintF("[aborted optimizing ");
-          function->ShortPrint();
+          info()->closure()->ShortPrint();
           PrintF(" because a map became unstable]\n");
         }
         return AbortOptimization();