Uninitialized field "appendelse" in SSA transformation

Bugzilla Link	1171
Created on	Nov 05, 2015 17:23
Version	svn
OS	All
Architecture	PC

Extended Description

Detected by valgrind:
==46755== Conditional jump or move depends on uninitialised value(s)
==46755==    at 0x68459D3: USSATassign (UndoSSATransform.c:312)
==46755==    by 0x66D72CB: TRAVdo (traverse.c:94)
==46755==    by 0x6845955: USSATassign (UndoSSATransform.c:300)
==46755==    by 0x66D72CB: TRAVdo (traverse.c:94)
==46755==    by 0x6845955: USSATassign (UndoSSATransform.c:300)
==46755==    by 0x66D72CB: TRAVdo (traverse.c:94)
==46755==    by 0x66D7617: TRAVopt (traverse.c:152)
==46755==    by 0x6845254: USSATblock (UndoSSATransform.c:167)
==46755==    by 0x66D72CB: TRAVdo (traverse.c:94)
==46755==    by 0x68450C9: USSATfundef (UndoSSATransform.c:139)
==46755==    by 0x66D72CB: TRAVdo (traverse.c:94)
==46755==    by 0x6845195: USSATfundef (UndoSSATransform.c:147)
The offending code:
/******************************************************************************                                                
 *                                                                                                                             
 * function:                                                                                                                   
 *    node* USSATassign(node *arg_node, info *arg_info)                                                                        
 *                                                                                                                             
 * description:                                                                                                                
 *   traverses instruction and removes tagged assignments.                                                                     
 *                                                                                                                             
 ******************************************************************************/
node *USSATassign(node *arg_node, info *arg_info)
{
  ...
    if ( ( INFO_APPENDELSE( arg_info))) { // <--- HERE, appendelse uninitialized
    arg_node = TCappendAssign( INFO_ELSEASS( arg_info), arg_node);
    INFO_ELSEASS( arg_info) = NULL;
    INFO_APPENDELSE( arg_info) = FALSE;
  }