Misc fixes.

src/cpu/o3/alpha_dyn_inst_impl.hh:
    Consolidate these calls into one.
src/cpu/o3/commit_impl.hh:
    Include checker only if it's being used.
src/cpu/o3/fetch_impl.hh:
    Do not deallocate request if it's a squashed response that was received.
src/cpu/o3/lsq_unit.hh:
    Add in comment.
src/cpu/o3/lsq_unit_impl.hh:
    Only include checker if it's being used.

--HG--
extra : convert_revision : aae0bf1e19baae90f1e61d41191548612bbb3be6

src/cpu/o3/commit_impl.hh

@@ -36,11 +36,14 @@
 
 #include "base/loader/symtab.hh"
 #include "base/timebuf.hh"
-#include "cpu/checker/cpu.hh"
 #include "cpu/exetrace.hh"
 #include "cpu/o3/commit.hh"
 #include "cpu/o3/thread_state.hh"
 
+#if USE_CHECKER
+#include "cpu/checker/cpu.hh"
+#endif
+
 using namespace std;
 
 template <class Impl>