message: Fix oversight while refactoring code in (Fix ForStmt and StmtBlock
  destructors).
  getStatements().clear() should have been clear() in Statements.h.
diff: @@ -206,7 +206,7 @@ public:
  // Explicitly erase statements instead of relying of 'StmtBlock' destructor
  // since child statements need to be destroyed before the MLValue that this
  // for stmt represents is destroyed.
  - getStatements().clear();
  + clear();
  }
  AffineConstantExpr *getLowerBound() const { return lowerBound; }
  