Author: pfg
Date: Fri May 20 14:36:49 2016
New Revision: 300301
URL: https://svnweb.freebsd.org/changeset/base/300301
Log:
GCC: Add support for named initializers for anonymous structs/unions.
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
Modified:
head/contrib/gcc/c-typeck.c
Modified: head/contrib/gcc/c-typeck.c
==============================================================================
--- head/contrib/gcc/c-typeck.c Fri May 20 13:11:07 2016 (r300300)
+++ head/contrib/gcc/c-typeck.c Fri May 20 14:36:49 2016 (r300301)
@@ -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;
}
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