transparent_union was missing a @cindex entry. Tested with
info ./gcc/doc/gcc.info --index-search=transparent_union
Committed as obvious.
2014-06-10 Marek Polacek <pola...@redhat.com>
PR c/60988
* doc/extend.texi: Add cindex for transparent_union.
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 23a7809..42db985 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -5732,6 +5732,8 @@ You may only specify this attribute on the definition of
an @code{enum},
also define the enumerated type, structure or union.
@item transparent_union
+@cindex @code{transparent_union} attribute
+
This attribute, attached to a @code{union} type definition, indicates
that any function parameter having that union type causes calls to that
function to be treated in a special way.
Marek
