gcc/testsuite/g++.dg/torture/pr57993-2.C - gcc - Git at Google

 /* This ICEd due to an incomplete fix for PR57993.  */
 /* { dg-do compile } */
 /* { dg-additional-options "-Wno-return-type" } */


 extern "C"
 {
   extern double sqrt (double __x) throw ();
   typedef long unsigned int size_t;
   typedef struct
   {
   }
   __mbstate_t;
   void *pov_malloc (size_t size, const char *file, int line, const char *msg);
   typedef struct Object_Struct OBJECT;
   typedef struct Ray_Struct RAY;
   typedef struct istack_struct ISTACK;
   typedef struct istk_entry INTERSECTION;
   typedef double UV_VECT[2];
   typedef double VECTOR[3];
   typedef struct Transform_Struct TRANSFORM;
   typedef struct Method_Struct METHODS;
   typedef int (*ALL_INTERSECTIONS_METHOD) (OBJECT *, RAY *, ISTACK *);
   typedef int (*INSIDE_METHOD) (VECTOR, OBJECT *);
   typedef void (*NORMAL_METHOD) (VECTOR, OBJECT *, INTERSECTION *);
   typedef void (*UVCOORD_METHOD) (UV_VECT, OBJECT *, INTERSECTION *);
   typedef void *(*COPY_METHOD) (OBJECT *);
   typedef void (*TRANSLATE_METHOD) (OBJECT *, VECTOR, TRANSFORM *);
   typedef void (*ROTATE_METHOD) (OBJECT *, VECTOR, TRANSFORM *);
   typedef void (*SCALE_METHOD) (OBJECT *, VECTOR, TRANSFORM *);
   typedef void (*TRANSFORM_METHOD) (OBJECT *, TRANSFORM *);
   typedef void (*INVERT_METHOD) (OBJECT *);
   typedef void (*DESTROY_METHOD) (OBJECT *);
   struct Method_Struct
   {
     ALL_INTERSECTIONS_METHOD All_Intersections_Method;
     INSIDE_METHOD Inside_Method;
     NORMAL_METHOD Normal_Method;
     UVCOORD_METHOD UVCoord_Method;
     COPY_METHOD Copy_Method;
     TRANSLATE_METHOD Translate_Method;
     ROTATE_METHOD Rotate_Method;
     SCALE_METHOD Scale_Method;
     TRANSFORM_METHOD Transform_Method;
     INVERT_METHOD Invert_Method;
     DESTROY_METHOD Destroy_Method;
   };
   typedef struct Bicubic_Patch_Struct BICUBIC_PATCH;
   typedef struct Bezier_Node_Struct BEZIER_NODE;
   struct Bezier_Node_Struct
   {
     int Node_Type;
     int Count;
   };
   struct Bicubic_Patch_Struct
   {
     METHODS *Methods;
     int Patch_Type, U_Steps, V_Steps;
     VECTOR Control_Points[4][4];
     BEZIER_NODE *Node_Tree;
   };
   typedef enum
   {
     CSV, SYS, PPM, TARGA, PNG, NONE
   }
   SHELLDATA;
   typedef enum STATS
   {
     Number_Of_Pixels =
       0, Number_Of_Pixels_Supersampled, Number_Of_Samples, Number_Of_Rays,
       Calls_To_DNoise, Calls_To_Noise, ADC_Saves, Istack_overflows,
       Ray_RBezier_Tests, Ray_RBezier_Tests_Succeeded, Ray_Bicubic_Tests,
       Ray_Bicubic_Tests_Succeeded, Ray_Blob_Tests, Ray_Blob_Tests_Succeeded,
       Blob_Element_Tests, Blob_Element_Tests_Succeeded, Blob_Bound_Tests,
       Blob_Bound_Tests_Succeeded, Ray_Box_Tests, Ray_Box_Tests_Succeeded,
       Ray_Cone_Tests, Ray_Cone_Tests_Succeeded, Ray_CSG_Intersection_Tests,
       Ray_CSG_Intersection_Tests_Succeeded, Ray_CSG_Merge_Tests,
       Ray_CSG_Merge_Tests_Succeeded, Ray_CSG_Union_Tests,
       Ray_CSG_Union_Tests_Succeeded, Ray_Disc_Tests, Ray_Disc_Tests_Succeeded,
       Ray_Fractal_Tests, Ray_Fractal_Tests_Succeeded, Ray_HField_Tests,
       Ray_HField_Tests_Succeeded, Ray_HField_Box_Tests,
       Ray_HField_Box_Tests_Succeeded, Ray_HField_Triangle_Tests,
       Ray_HField_Triangle_Tests_Succeeded, Ray_HField_Block_Tests,
       Ray_HField_Block_Tests_Succeeded, Ray_HField_Cell_Tests,
       Ray_HField_Cell_Tests_Succeeded, Ray_IsoSurface_Tests,
       Ray_IsoSurface_Tests_Succeeded, Ray_IsoSurface_Bound_Tests,
       Ray_IsoSurface_Bound_Tests_Succeeded, Ray_IsoSurface_Cache,
       Ray_IsoSurface_Cache_Succeeded, Ray_Lathe_Tests,
       Ray_Lathe_Tests_Succeeded, Lathe_Bound_Tests,
       Lathe_Bound_Tests_Succeeded, Ray_Mesh_Tests, Ray_Mesh_Tests_Succeeded,
       Ray_Plane_Tests, Ray_Plane_Tests_Succeeded, Ray_Polygon_Tests,
       Ray_Polygon_Tests_Succeeded, Ray_Prism_Tests, Ray_Prism_Tests_Succeeded,
       Prism_Bound_Tests, Prism_Bound_Tests_Succeeded, Ray_Parametric_Tests,
       Ray_Parametric_Tests_Succeeded, Ray_Par_Bound_Tests,
       Ray_Par_Bound_Tests_Succeeded, Ray_Quadric_Tests,
       Ray_Quadric_Tests_Succeeded, Ray_Poly_Tests, Ray_Poly_Tests_Succeeded,
       Ray_Sphere_Tests, Ray_Sphere_Tests_Succeeded, Ray_Sphere_Sweep_Tests,
       Ray_Sphere_Sweep_Tests_Succeeded, Ray_Superellipsoid_Tests,
       Ray_Superellipsoid_Tests_Succeeded, Ray_Sor_Tests,
       Ray_Sor_Tests_Succeeded, Sor_Bound_Tests, Sor_Bound_Tests_Succeeded,
       Ray_Torus_Tests, Ray_Torus_Tests_Succeeded, Torus_Bound_Tests,
       Torus_Bound_Tests_Succeeded, Ray_Triangle_Tests,
       Ray_Triangle_Tests_Succeeded, Ray_TTF_Tests, Ray_TTF_Tests_Succeeded,
       Bounding_Region_Tests, Bounding_Region_Tests_Succeeded,
       Clipping_Region_Tests, Clipping_Region_Tests_Succeeded,
       Ray_IsoSurface_Find_Root, Ray_Function_VM_Calls,
       Ray_Function_VM_Instruction_Est, VBuffer_Tests, VBuffer_Tests_Succeeded,
       LBuffer_Tests, LBuffer_Tests_Succeeded, Media_Samples, Media_Intervals,
       Reflected_Rays_Traced, Refracted_Rays_Traced, Transmitted_Rays_Traced,
       Internal_Reflected_Rays_Traced, Shadow_Cache_Hits,
       Shadow_Rays_Succeeded, Shadow_Ray_Tests, nChecked, nEnqueued,
       totalQueues, totalQueueResets, totalQueueResizes, Polynomials_Tested,
       Roots_Eliminated, MemStat_Smallest_Alloc, MemStat_Largest_Alloc,
       MemStat_Largest_Mem_Usage, Number_Of_Photons_Shot,
       Number_Of_Photons_Stored, Number_Of_Global_Photons_Stored,
       Number_Of_Media_Photons_Stored, Priority_Queue_Add,
       Priority_Queue_Remove, Gather_Performed_Count, Gather_Expanded_Count,
       MaxStat
   }
   Stats;
   static int All_Bicubic_Patch_Intersections (OBJECT * Object, RAY * Ray,
 					      ISTACK * Depth_Stack);
   static int Inside_Bicubic_Patch (VECTOR IPoint, OBJECT * Object) { return 0; }
   static void Bicubic_Patch_Normal (VECTOR Result, OBJECT * Object,
 				    INTERSECTION * Inter) {}
   static void Bicubic_Patch_UVCoord (UV_VECT Result, OBJECT * Object,
 				     INTERSECTION * Inter) {}
   static BICUBIC_PATCH *Copy_Bicubic_Patch (OBJECT * Object) { return 0; }
   static void Translate_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
 				       TRANSFORM * Trans) {}
   static void Rotate_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
 				    TRANSFORM * Trans) {}
   static void Scale_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
 				   TRANSFORM * Trans) {}
   static void Transform_Bicubic_Patch (OBJECT * Object, TRANSFORM * Trans) {}
   static void Invert_Bicubic_Patch (OBJECT * Object) {}
   static void Destroy_Bicubic_Patch (OBJECT * Object) {}
   static METHODS Bicubic_Patch_Methods = {
     All_Bicubic_Patch_Intersections, Inside_Bicubic_Patch,
       Bicubic_Patch_Normal, Bicubic_Patch_UVCoord,
       (COPY_METHOD) Copy_Bicubic_Patch, Translate_Bicubic_Patch,
       Rotate_Bicubic_Patch, Scale_Bicubic_Patch, Transform_Bicubic_Patch,
       Invert_Bicubic_Patch, Destroy_Bicubic_Patch
   };
   static void bezier_value (VECTOR (*Control_Points)[4][4], double u0,
 			    double v0, VECTOR P, VECTOR N)
   {
     int i, j;
     double c, t, ut, vt;
     double u[4], uu[4], v[4], vv[4];
     double du[4], duu[4], dv[4], dvv[4];
     for (i = 1; i < 4; i++)
       {
 	vv[i] = vv[i - 1] * (1.0 - v0);
 	dvv[i] = -i * vv[i - 1];
       }
     for (i = 0; i < 4; i++)
       {
 	for (j = 0; j < 4; j++)
 	  {
 	    t = c * ut * (dv[j] * vv[3 - j] + v[j] * dvv[3 - j]);
 	  }
 	t = 1.0 / sqrt (t);
       }
   }
   static int intersect_subpatch (BICUBIC_PATCH * Shape, RAY * ray,
 				 VECTOR V1[3], double uu[3], double vv[3],
 				 double *Depth, VECTOR P, VECTOR N, double *u,
 				 double *v)
   {
     VECTOR Q, T1;
     VECTOR B[3], IB[3], NN[3];
     bezier_value ((VECTOR (*)[4][4]) & Shape->Control_Points, uu[1], vv[1],
 		  T1, NN[1]);
   }
   static int bezier_tree_walker (RAY * Ray, BICUBIC_PATCH * Shape,
 				 BEZIER_NODE * Node, ISTACK * Depth_Stack)
   {
     int i, cnt = 0;
     double Depth, u, v;
     double uu[3], vv[3];
     VECTOR N, P;
     VECTOR V1[3];
     if (Node->Node_Type == 0)
       {
 	for (i = 0; i < Node->Count; i++)
 	  {
 	  }
 	if (intersect_subpatch (Shape, Ray, V1, uu, vv, &Depth, P, N, &u, &v))
 	  {
 	  }
       }
   }
   static int All_Bicubic_Patch_Intersections (OBJECT * Object, RAY * Ray,
 					      ISTACK * Depth_Stack)
   {
     int Found, cnt = 0;
     switch (((BICUBIC_PATCH *) Object)->Patch_Type)
       {
       case 1:
 	cnt =
 	  bezier_tree_walker (Ray, (BICUBIC_PATCH *) Object,
 			      ((BICUBIC_PATCH *) Object)->Node_Tree,
 			      Depth_Stack);
       }
   }
   BICUBIC_PATCH *Create_Bicubic_Patch ()
   {
     BICUBIC_PATCH *New;
     New =
       (BICUBIC_PATCH *) pov_malloc ((sizeof (BICUBIC_PATCH)), "bezier.cpp",
 				    2079, ("bicubic patch"));
     New->Methods = &Bicubic_Patch_Methods;
   }
 }
	/* This ICEd due to an incomplete fix for PR57993. */
	/* { dg-do compile } */
	/* { dg-additional-options "-Wno-return-type" } */


	extern "C"
	{
	extern double sqrt (double __x) throw ();
	typedef long unsigned int size_t;
	typedef struct
	{
	}
	__mbstate_t;
	void pov_malloc (size_t size, const char file, int line, const char *msg);
	typedef struct Object_Struct OBJECT;
	typedef struct Ray_Struct RAY;
	typedef struct istack_struct ISTACK;
	typedef struct istk_entry INTERSECTION;
	typedef double UV_VECT[2];
	typedef double VECTOR[3];
	typedef struct Transform_Struct TRANSFORM;
	typedef struct Method_Struct METHODS;
	typedef int (ALL_INTERSECTIONS_METHOD) (OBJECT , RAY , ISTACK );
	typedef int (INSIDE_METHOD) (VECTOR, OBJECT );
	typedef void (NORMAL_METHOD) (VECTOR, OBJECT , INTERSECTION *);
	typedef void (UVCOORD_METHOD) (UV_VECT, OBJECT , INTERSECTION *);
	typedef void (COPY_METHOD) (OBJECT *);
	typedef void (TRANSLATE_METHOD) (OBJECT , VECTOR, TRANSFORM *);
	typedef void (ROTATE_METHOD) (OBJECT , VECTOR, TRANSFORM *);
	typedef void (SCALE_METHOD) (OBJECT , VECTOR, TRANSFORM *);
	typedef void (TRANSFORM_METHOD) (OBJECT , TRANSFORM *);
	typedef void (INVERT_METHOD) (OBJECT );
	typedef void (DESTROY_METHOD) (OBJECT );
	struct Method_Struct
	{
	ALL_INTERSECTIONS_METHOD All_Intersections_Method;
	INSIDE_METHOD Inside_Method;
	NORMAL_METHOD Normal_Method;
	UVCOORD_METHOD UVCoord_Method;
	COPY_METHOD Copy_Method;
	TRANSLATE_METHOD Translate_Method;
	ROTATE_METHOD Rotate_Method;
	SCALE_METHOD Scale_Method;
	TRANSFORM_METHOD Transform_Method;
	INVERT_METHOD Invert_Method;
	DESTROY_METHOD Destroy_Method;
	};
	typedef struct Bicubic_Patch_Struct BICUBIC_PATCH;
	typedef struct Bezier_Node_Struct BEZIER_NODE;
	struct Bezier_Node_Struct
	{
	int Node_Type;
	int Count;
	};
	struct Bicubic_Patch_Struct
	{
	METHODS *Methods;
	int Patch_Type, U_Steps, V_Steps;
	VECTOR Control_Points[4][4];
	BEZIER_NODE *Node_Tree;
	};
	typedef enum
	{
	CSV, SYS, PPM, TARGA, PNG, NONE
	}
	SHELLDATA;
	typedef enum STATS
	{
	Number_Of_Pixels =
	0, Number_Of_Pixels_Supersampled, Number_Of_Samples, Number_Of_Rays,
	Calls_To_DNoise, Calls_To_Noise, ADC_Saves, Istack_overflows,
	Ray_RBezier_Tests, Ray_RBezier_Tests_Succeeded, Ray_Bicubic_Tests,
	Ray_Bicubic_Tests_Succeeded, Ray_Blob_Tests, Ray_Blob_Tests_Succeeded,
	Blob_Element_Tests, Blob_Element_Tests_Succeeded, Blob_Bound_Tests,
	Blob_Bound_Tests_Succeeded, Ray_Box_Tests, Ray_Box_Tests_Succeeded,
	Ray_Cone_Tests, Ray_Cone_Tests_Succeeded, Ray_CSG_Intersection_Tests,
	Ray_CSG_Intersection_Tests_Succeeded, Ray_CSG_Merge_Tests,
	Ray_CSG_Merge_Tests_Succeeded, Ray_CSG_Union_Tests,
	Ray_CSG_Union_Tests_Succeeded, Ray_Disc_Tests, Ray_Disc_Tests_Succeeded,
	Ray_Fractal_Tests, Ray_Fractal_Tests_Succeeded, Ray_HField_Tests,
	Ray_HField_Tests_Succeeded, Ray_HField_Box_Tests,
	Ray_HField_Box_Tests_Succeeded, Ray_HField_Triangle_Tests,
	Ray_HField_Triangle_Tests_Succeeded, Ray_HField_Block_Tests,
	Ray_HField_Block_Tests_Succeeded, Ray_HField_Cell_Tests,
	Ray_HField_Cell_Tests_Succeeded, Ray_IsoSurface_Tests,
	Ray_IsoSurface_Tests_Succeeded, Ray_IsoSurface_Bound_Tests,
	Ray_IsoSurface_Bound_Tests_Succeeded, Ray_IsoSurface_Cache,
	Ray_IsoSurface_Cache_Succeeded, Ray_Lathe_Tests,
	Ray_Lathe_Tests_Succeeded, Lathe_Bound_Tests,
	Lathe_Bound_Tests_Succeeded, Ray_Mesh_Tests, Ray_Mesh_Tests_Succeeded,
	Ray_Plane_Tests, Ray_Plane_Tests_Succeeded, Ray_Polygon_Tests,
	Ray_Polygon_Tests_Succeeded, Ray_Prism_Tests, Ray_Prism_Tests_Succeeded,
	Prism_Bound_Tests, Prism_Bound_Tests_Succeeded, Ray_Parametric_Tests,
	Ray_Parametric_Tests_Succeeded, Ray_Par_Bound_Tests,
	Ray_Par_Bound_Tests_Succeeded, Ray_Quadric_Tests,
	Ray_Quadric_Tests_Succeeded, Ray_Poly_Tests, Ray_Poly_Tests_Succeeded,
	Ray_Sphere_Tests, Ray_Sphere_Tests_Succeeded, Ray_Sphere_Sweep_Tests,
	Ray_Sphere_Sweep_Tests_Succeeded, Ray_Superellipsoid_Tests,
	Ray_Superellipsoid_Tests_Succeeded, Ray_Sor_Tests,
	Ray_Sor_Tests_Succeeded, Sor_Bound_Tests, Sor_Bound_Tests_Succeeded,
	Ray_Torus_Tests, Ray_Torus_Tests_Succeeded, Torus_Bound_Tests,
	Torus_Bound_Tests_Succeeded, Ray_Triangle_Tests,
	Ray_Triangle_Tests_Succeeded, Ray_TTF_Tests, Ray_TTF_Tests_Succeeded,
	Bounding_Region_Tests, Bounding_Region_Tests_Succeeded,
	Clipping_Region_Tests, Clipping_Region_Tests_Succeeded,
	Ray_IsoSurface_Find_Root, Ray_Function_VM_Calls,
	Ray_Function_VM_Instruction_Est, VBuffer_Tests, VBuffer_Tests_Succeeded,
	LBuffer_Tests, LBuffer_Tests_Succeeded, Media_Samples, Media_Intervals,
	Reflected_Rays_Traced, Refracted_Rays_Traced, Transmitted_Rays_Traced,
	Internal_Reflected_Rays_Traced, Shadow_Cache_Hits,
	Shadow_Rays_Succeeded, Shadow_Ray_Tests, nChecked, nEnqueued,
	totalQueues, totalQueueResets, totalQueueResizes, Polynomials_Tested,
	Roots_Eliminated, MemStat_Smallest_Alloc, MemStat_Largest_Alloc,
	MemStat_Largest_Mem_Usage, Number_Of_Photons_Shot,
	Number_Of_Photons_Stored, Number_Of_Global_Photons_Stored,
	Number_Of_Media_Photons_Stored, Priority_Queue_Add,
	Priority_Queue_Remove, Gather_Performed_Count, Gather_Expanded_Count,
	MaxStat
	}
	Stats;
	static int All_Bicubic_Patch_Intersections (OBJECT * Object, RAY * Ray,
	ISTACK * Depth_Stack);
	static int Inside_Bicubic_Patch (VECTOR IPoint, OBJECT * Object) { return 0; }
	static void Bicubic_Patch_Normal (VECTOR Result, OBJECT * Object,
	INTERSECTION * Inter) {}
	static void Bicubic_Patch_UVCoord (UV_VECT Result, OBJECT * Object,
	INTERSECTION * Inter) {}
	static BICUBIC_PATCH Copy_Bicubic_Patch (OBJECT Object) { return 0; }
	static void Translate_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
	TRANSFORM * Trans) {}
	static void Rotate_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
	TRANSFORM * Trans) {}
	static void Scale_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
	TRANSFORM * Trans) {}
	static void Transform_Bicubic_Patch (OBJECT * Object, TRANSFORM * Trans) {}
	static void Invert_Bicubic_Patch (OBJECT * Object) {}
	static void Destroy_Bicubic_Patch (OBJECT * Object) {}
	static METHODS Bicubic_Patch_Methods = {
	All_Bicubic_Patch_Intersections, Inside_Bicubic_Patch,
	Bicubic_Patch_Normal, Bicubic_Patch_UVCoord,
	(COPY_METHOD) Copy_Bicubic_Patch, Translate_Bicubic_Patch,
	Rotate_Bicubic_Patch, Scale_Bicubic_Patch, Transform_Bicubic_Patch,
	Invert_Bicubic_Patch, Destroy_Bicubic_Patch
	};
	static void bezier_value (VECTOR (*Control_Points)[4][4], double u0,
	double v0, VECTOR P, VECTOR N)
	{
	int i, j;
	double c, t, ut, vt;
	double u[4], uu[4], v[4], vv[4];
	double du[4], duu[4], dv[4], dvv[4];
	for (i = 1; i < 4; i++)
	{
	vv[i] = vv[i - 1] * (1.0 - v0);
	dvv[i] = -i * vv[i - 1];
	}
	for (i = 0; i < 4; i++)
	{
	for (j = 0; j < 4; j++)
	{
	t = c * ut * (dv[j] * vv[3 - j] + v[j] * dvv[3 - j]);
	}
	t = 1.0 / sqrt (t);
	}
	}
	static int intersect_subpatch (BICUBIC_PATCH * Shape, RAY * ray,
	VECTOR V1[3], double uu[3], double vv[3],
	double Depth, VECTOR P, VECTOR N, double u,
	double *v)
	{
	VECTOR Q, T1;
	VECTOR B[3], IB[3], NN[3];
	bezier_value ((VECTOR (*)[4][4]) & Shape->Control_Points, uu[1], vv[1],
	T1, NN[1]);
	}
	static int bezier_tree_walker (RAY * Ray, BICUBIC_PATCH * Shape,
	BEZIER_NODE * Node, ISTACK * Depth_Stack)
	{
	int i, cnt = 0;
	double Depth, u, v;
	double uu[3], vv[3];
	VECTOR N, P;
	VECTOR V1[3];
	if (Node->Node_Type == 0)
	{
	for (i = 0; i < Node->Count; i++)
	{
	}
	if (intersect_subpatch (Shape, Ray, V1, uu, vv, &Depth, P, N, &u, &v))
	{
	}
	}
	}
	static int All_Bicubic_Patch_Intersections (OBJECT * Object, RAY * Ray,
	ISTACK * Depth_Stack)
	{
	int Found, cnt = 0;
	switch (((BICUBIC_PATCH *) Object)->Patch_Type)
	{
	case 1:
	cnt =
	bezier_tree_walker (Ray, (BICUBIC_PATCH *) Object,
	((BICUBIC_PATCH *) Object)->Node_Tree,
	Depth_Stack);
	}
	}
	BICUBIC_PATCH *Create_Bicubic_Patch ()
	{
	BICUBIC_PATCH *New;
	New =
	(BICUBIC_PATCH *) pov_malloc ((sizeof (BICUBIC_PATCH)), "bezier.cpp",
	2079, ("bicubic patch"));
	New->Methods = &Bicubic_Patch_Methods;
	}
	}