Fix use of uninitialized values in the runtime profiler.

src/runtime-profiler.cc

Index: src/runtime-profiler.cc
===================================================================
--- src/runtime-profiler.cc	(revision 11123)
+++ src/runtime-profiler.cc	(working copy)
@@ -88,7 +88,9 @@
       sampler_threshold_size_factor_(kSamplerThresholdSizeFactorInit),
       sampler_ticks_until_threshold_adjustment_(
           kSamplerTicksBetweenThresholdAdjustment),
-      sampler_window_position_(0) {
+      sampler_window_position_(0),
+      any_ic_changed_(false),
+      code_generated_(false) {
   ClearSampleBuffer();
 }