(build_c_cast): When casting to union, if value is array

or function, do default_conversion. From-SVN: r4926

(build_c_cast): When casting to union, if value is array
or function, do default_conversion. From-SVN: r4926
0c16ddf7 · Richard Stallman · c8ab4464 · 0c16ddf7
Commit 0c16ddf7 authored 31 years ago by Richard Stallman
Hide whitespace changes
Inline Side-by-side

Showing with 4 additions and 0 deletions

gcc/c-typeck.c
+4 -0

No files found.
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -3854,6 +3854,10 @@ build_c_cast (type, expr)
  else if (TREE_CODE (type) == UNION_TYPE)
    {
      tree field;
+      if (TREE_CODE (TREE_TYPE (value)) == ARRAY_TYPE
+	  || TREE_CODE (TREE_TYPE (value)) == FUNCTION_TYPE)
+	value = default_conversion (value);
+
      for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
 	if (comptypes (TYPE_MAIN_VARIANT (TREE_TYPE (field)),
 		       TYPE_MAIN_VARIANT (TREE_TYPE (value))))