gcc/testsuite/gcc.c-torture/execute/20030714-1.c

   1 /* derived from PR optimization/11440  */
   2
   3 extern void abort (void);
   4 extern void exit (int);
   5
   6 typedef _Bool bool;
   7 const bool false = 0;
   8 const bool true = 1;
   9
  10 enum EPosition
  11 {
  12   STATIC, RELATIVE, ABSOLUTE, FIXED
  13 };
  14 typedef enum EPosition EPosition;
  15
  16 enum EFloat
  17 {
  18   FNONE = 0, FLEFT, FRIGHT
  19 };
  20 typedef enum EFloat EFloat;
  21
  22 struct RenderBox
  23 {
  24   int unused[6];
  25   short m_verticalPosition;
  26
  27   bool m_layouted : 1;
  28   bool m_unused : 1;
  29   bool m_minMaxKnown : 1;
  30   bool m_floating : 1;
  31
  32   bool m_positioned : 1;
  33   bool m_overhangingContents : 1;
  34   bool m_relPositioned : 1;
  35   bool m_paintSpecial : 1;
  36
  37   bool m_isAnonymous : 1;
  38   bool m_recalcMinMax : 1;
  39   bool m_isText : 1;
  40   bool m_inline : 1;
  41
  42   bool m_replaced : 1;
  43   bool m_mouseInside : 1;
  44   bool m_hasFirstLine : 1;
  45   bool m_isSelectionBorder : 1;
  46
  47   bool (*isTableCell) (struct RenderBox *this);
  48 };
  49
  50 typedef struct RenderBox RenderBox;
  51
  52 struct RenderStyle
  53 {
  54   struct NonInheritedFlags
  55     {
  56       union
  57         {
  58           struct
  59             {
  60               unsigned int _display : 4;
  61               unsigned int _bg_repeat : 2;
  62               bool _bg_attachment : 1;
  63               unsigned int _overflow : 4 ;
  64               unsigned int _vertical_align : 4;
  65               unsigned int _clear : 2;
  66               EPosition _position : 2;
  67               EFloat _floating : 2;
  68               unsigned int _table_layout : 1;
  69               bool _flowAroundFloats :1;
  70
  71               unsigned int _styleType : 3;
  72               bool _hasHover : 1;
  73               bool _hasActive : 1;
  74               bool _clipSpecified : 1;
  75               unsigned int _unicodeBidi : 2;
  76               int _unused : 1;
  77             } f;
  78           int _niflags;
  79         };
  80     } noninherited_flags;
  81 };
  82
  83 typedef struct RenderStyle RenderStyle;
  84
  85 extern void RenderObject_setStyle(RenderBox *this, RenderStyle *_style);
  86 extern void removeFromSpecialObjects(RenderBox *this);
  87
  88
  89
  90 void RenderBox_setStyle(RenderBox *thisin, RenderStyle *_style)
  91 {
  92   RenderBox *this = thisin;
  93   bool oldpos, tmp;
  94   EPosition tmppo;
  95
  96   tmp = this->m_positioned;
  97
  98   oldpos = tmp;
  99
 100   RenderObject_setStyle(this, _style);
 101
 102   tmppo = _style->noninherited_flags.f._position;
 103
 104   switch(tmppo)
 105     {
 106     case ABSOLUTE:
 107     case FIXED:
 108         {
 109           bool ltrue = true;
 110           this->m_positioned = ltrue;
 111           break;
 112         }
 113
 114     default:
 115         {
 116           EFloat tmpf;
 117           EPosition tmpp;
 118           if (oldpos)
 119             {
 120               bool ltrue = true;
 121               this->m_positioned = ltrue;
 122               removeFromSpecialObjects(this);
 123             }
 124             {
 125               bool lfalse = false;
 126               this->m_positioned = lfalse;
 127             }
 128
 129           tmpf = _style->noninherited_flags.f._floating;
 130
 131           if(!this->isTableCell (this) && !(tmpf == FNONE))
 132             {
 133               bool ltrue = true;
 134               this->m_floating = ltrue;
 135             }
 136           else
 137             {
 138               tmpp = _style->noninherited_flags.f._position;
 139               if (tmpp == RELATIVE)
 140                 {
 141                   bool ltrue = true;
 142                   this->m_relPositioned = ltrue;
 143                 }
 144             }
 145         }
 146     }
 147 }
 148
 149
 150
 151
 152 RenderBox g_this;
 153 RenderStyle g__style;
 154
 155 void RenderObject_setStyle(RenderBox *this, RenderStyle *_style)
 156 {
 157   (void) this;
 158   (void) _style;
 159 }
 160
 161 void removeFromSpecialObjects(RenderBox *this)
 162 {
 163   (void) this;
 164 }
 165
 166 bool RenderBox_isTableCell (RenderBox *this)
 167 {
 168   (void) this;
 169   return false;
 170 }
 171
 172 int main (void)
 173 {
 174
 175   g_this.m_relPositioned = false;
 176   g_this.m_positioned = false;
 177   g_this.m_floating = false;
 178   g_this.isTableCell = RenderBox_isTableCell;
 179
 180   g__style.noninherited_flags.f._position = FIXED;
 181   g__style.noninherited_flags.f._floating = FNONE;
 182
 183   RenderBox_setStyle (&g_this, &g__style);
 184
 185   if (g_this.m_positioned != true)
 186     abort ();
 187   if (g_this.m_relPositioned != false)
 188     abort ();
 189   if (g_this.m_floating != false)
 190     abort ();
 191
 192   exit (0);
 193 }