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GCC: Add support for named initializers for anonymous structs/unions.

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This is a C11 feature that is starting to get used in places such as Mesa.
This implementation takes a different approach to upstream and is
therefore not covered by GPLv3.

Obtained from:	OpenBSD (CVS rev. 1.2)
MFC after:	3 weeks
This commit is contained in:
Pedro F. Giffuni 2016-05-20 14:36:49 +00:00
parent da257dda10
commit b7505e07e5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=300301
1 changed files with 10 additions and 0 deletions
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10
contrib/gcc/c-typeck.c
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@ -6041,6 +6041,7 @@ set_init_index (tree first, tree last)
void
set_init_label (tree fieldname)
{
tree anon = NULL_TREE;
tree tail;
if (set_designator (0))
@ -6058,6 +6059,15 @@ set_init_label (tree fieldname)
for (tail = TYPE_FIELDS (constructor_type); tail;
tail = TREE_CHAIN (tail))
{
if (DECL_NAME (tail) == NULL_TREE
&& (TREE_CODE (TREE_TYPE (tail)) == RECORD_TYPE
|| TREE_CODE (TREE_TYPE (tail)) == UNION_TYPE))
{
anon = lookup_field (tail, fieldname);
if (anon)
break;
}
if (DECL_NAME (tail) == fieldname)
break;
}