OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* tree.c (verify_type_variant): Check TYPE_VALUES_RAW and TYPE_PRECISION 

From-SVN: r222991
This commit is contained in:
Jan Hubicka 2015-05-11 04:51:51 +02:00 committed by Jan Hubicka
parent dafb7b56f1
commit 3eb92a3d25
2 changed files with 96 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gcc/ChangeLog
View File

@ -1,3 +1,7 @@
2015-05-09 Jan Hubicka <hubicka@ucw.cz>
* tree.c (verify_type_variant): Check TYPE_VALUES_RAW and TYPE_PRECISION
2015-05-09 Jan Hubicka <hubicka@ucw.cz>
Patch by Richard Biener

92
gcc/tree.c
View File

@ -12577,6 +12577,98 @@ verify_type_variant (const_tree t, tree tv)
debug_tree (TYPE_BINFO (t));
return false;
}
/* Check various uses of TYPE_VALUES_RAW. */
if (TREE_CODE (t) == ENUMERAL_TYPE
&& TYPE_VALUES (t) != TYPE_VALUES (tv))
{
error ("type variant has different TYPE_VALUES");
debug_tree (tv);
error ("type variant's TYPE_VALUES");
debug_tree (TYPE_VALUES (tv));
error ("type's TYPE_VALUES");
debug_tree (TYPE_VALUES (t));
return false;
}
else if (TREE_CODE (t) == ARRAY_TYPE
&& TYPE_DOMAIN (t) != TYPE_DOMAIN (tv))
{
error ("type variant has different TYPE_DOMAIN");
debug_tree (tv);
error ("type variant's TYPE_DOMAIN");
debug_tree (TYPE_DOMAIN (tv));
error ("type's TYPE_DOMAIN");
debug_tree (TYPE_DOMAIN (t));
return false;
}
/* Permit incomplete variants of complete type. While FEs may complete
all variants, this does not happen for C++ templates in all cases. */
else if (RECORD_OR_UNION_TYPE_P (t)
&& COMPLETE_TYPE_P (t)
&& TYPE_FIELDS (t) != TYPE_FIELDS (tv))
{
tree f1, f2;
/* Fortran builds qualified variants as new records with items of
qualified type. Verify that they looks same. */
for (f1 = TYPE_FIELDS (t), f2 = TYPE_FIELDS (tv);
f1 && f2;
f1 = TREE_CHAIN (f1), f2 = TREE_CHAIN (f2))
if (TREE_CODE (f1) != FIELD_DECL || TREE_CODE (f2) != FIELD_DECL
|| (TYPE_MAIN_VARIANT (TREE_TYPE (f1))
!= TYPE_MAIN_VARIANT (TREE_TYPE (f2))
/* FIXME: gfc_nonrestricted_type builds all types as variants
with exception of pointer types. It deeply copies the type
which means that we may end up with a variant type
referring non-variant pointer. We may change it to
produce types as variants, too, like
objc_get_protocol_qualified_type does. */
&& !POINTER_TYPE_P (TREE_TYPE (f1)))
|| DECL_FIELD_OFFSET (f1) != DECL_FIELD_OFFSET (f2)
|| DECL_FIELD_BIT_OFFSET (f1) != DECL_FIELD_BIT_OFFSET (f2))
break;
if (f1 || f2)
{
error ("type variant has different TYPE_FIELDS");
debug_tree (tv);
error ("first mismatch is field");
debug_tree (f1);
error ("and field");
debug_tree (f2);
return false;
}
}
else if ((TREE_CODE (t) == FUNCTION_TYPE || TREE_CODE (t) == METHOD_TYPE)
&& TYPE_ARG_TYPES (t) != TYPE_ARG_TYPES (tv))
{
error ("type variant has different TYPE_ARG_TYPES");
debug_tree (tv);
return false;
}
/* For C++ the qualified variant of array type is really an array type
of qualified TREE_TYPE.
objc builds variants of pointer where pointer to type is a variant, too
in objc_get_protocol_qualified_type. */
if (TREE_TYPE (t) != TREE_TYPE (tv)
&& ((TREE_CODE (t) != ARRAY_TYPE
&& !POINTER_TYPE_P (t))
|| TYPE_MAIN_VARIANT (TREE_TYPE (t))
!= TYPE_MAIN_VARIANT (TREE_TYPE (tv))))
{
error ("type variant has different TREE_TYPE");
debug_tree (tv);
error ("type variant's TREE_TYPE");
debug_tree (TREE_TYPE (tv));
error ("type's TREE_TYPE");
debug_tree (TREE_TYPE (t));
return false;
}
if (TYPE_PRECISION (t) != TYPE_PRECISION (tv))
{
error ("type variant has different TYPE_PRECISION");
debug_tree (tv);
return false;
}
return true;
}