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Fix anonymous struct/unions not being recognized within a struct with more than 15 members (#22)

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* Add support for anonymous structs/unions

* fix transparent struct/union functionality within a struct with more than 15 members
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pixel-stuck 2022-02-22 15:45:50 -05:00 committed by GitHub
parent 0e70194617
commit ec1b55fd4a
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1 changed files with 0 additions and 37 deletions
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37
c-decl.c
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@ -5877,43 +5877,6 @@ finish_struct (t, fieldlist, attributes)
TYPE_FIELDS (t) = fieldlist;
/* If there are lots of fields, sort so we can look through them fast.
We arbitrarily consider 16 or more elts to be "a lot". */
{
int len = 0;
for (x = fieldlist; x; x = TREE_CHAIN (x))
{
if (len > 15)
break;
len += 1;
}
if (len > 15)
{
tree *field_array;
char *space;
len += list_length (x);
/* Use the same allocation policy here that make_node uses, to
ensure that this lives as long as the rest of the struct decl.
All decls in an inline function need to be saved. */
if (allocation_temporary_p ())
space = savealloc (sizeof (struct lang_type) + len * sizeof (tree));
else
space = oballoc (sizeof (struct lang_type) + len * sizeof (tree));
TYPE_LANG_SPECIFIC (t) = (struct lang_type *) space;
TYPE_LANG_SPECIFIC (t)->len = len;
field_array = &TYPE_LANG_SPECIFIC (t)->elts[0];
len = 0;
for (x = fieldlist; x; x = TREE_CHAIN (x))
field_array[len++] = x;
qsort (field_array, len, sizeof (tree), field_decl_cmp);
}
}
for (x = TYPE_MAIN_VARIANT (t); x; x = TYPE_NEXT_VARIANT (x))
{
TYPE_FIELDS (x) = TYPE_FIELDS (t);