misc: Remove redundant compiler-specific defines

This patch moves away from using M5_ATTR_OVERRIDE and the m5::hashmap
(and similar) abstractions, as these are no longer needed with gcc 4.7
and clang 3.1 as minimum compiler versions.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/arch/arm/table_walker.hh b/src/arch/arm/table_walker.hh
index e973e9a74..8af70075d 100644
--- a/src/arch/arm/table_walker.hh
+++ b/src/arch/arm/table_walker.hh
@@ -891,8 +891,8 @@ class TableWalker : public MemObject
     bool haveLargeAsid64() const { return _haveLargeAsid64; }
     /** Checks if all state is cleared and if so, completes drain */
     void completeDrain();
-    DrainState drain() M5_ATTR_OVERRIDE;
-    virtual void drainResume() M5_ATTR_OVERRIDE;
+    DrainState drain() override;
+    virtual void drainResume() override;
 
     virtual BaseMasterPort& getMasterPort(const std::string &if_name,
                                           PortID idx = InvalidPortID);