Re-introduce LeakDetector support for MachineInstrs and MachineBasicBlocks.
Fix a leak that this turned up in LowerSubregs.cpp.
And, comment a leak in LiveIntervalAnalysis.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53746 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp
index e2e68d8..1cdd34b 100644
--- a/lib/CodeGen/LowerSubregs.cpp
+++ b/lib/CodeGen/LowerSubregs.cpp
@@ -80,7 +80,7 @@
    }
 
    DOUT << "\n";
-   MBB->remove(MI);
+   MBB->erase(MI);
    return true;
 }
 
@@ -119,7 +119,7 @@
 #endif
 
   DOUT << "\n";
-  MBB->remove(MI);
+  MBB->erase(MI);
   return true;                    
 }
 
@@ -164,7 +164,7 @@
   }
 
   DOUT << "\n";
-  MBB->remove(MI);
+  MBB->erase(MI);
   return true;                    
 }