I ran into this while trying to help a user. Committed.
Gerald
2015-04-08 Gerald Pfeifer <ger...@pfeifer.com>
* doc/extend.texi (__sync Builtins): Fix grammar.
Index: doc/extend.texi
===================================================================
--- doc/extend.texi (revision 221926)
+++ doc/extend.texi (revision 221927)
@@ -8224,7 +8224,7 @@
Not all operations are supported by all target processors. If a particular
operation cannot be implemented on the target processor, a warning is
-generated and a call an external function is generated. The external
+generated and a call to an external function is generated. The external
function carries the same name as the built-in version,
with an additional suffix
@samp{_@var{n}} where @var{n} is the size of the data type.
