diff --git a/devel/riscv64-none-elf-gcc/files/patch-gcc_doc_extend.texi b/devel/riscv64-none-elf-gcc/files/patch-gcc_doc_extend.texi
new file mode 100644
index 000000000000..f5b89c8bab8c
--- /dev/null
+++ b/devel/riscv64-none-elf-gcc/files/patch-gcc_doc_extend.texi
@@ -0,0 +1,11 @@
+--- gcc/doc/extend.texi.orig	2022-04-21 07:58:53 UTC
++++ gcc/doc/extend.texi
+@@ -2487,7 +2487,7 @@ The following attributes are supported on most targets
+ @table @code
+ @c Keep this table alphabetized by attribute name.  Treat _ as space.
+ 
+-@itemx access (@var{access-mode}, @var{ref-index})
++@item access (@var{access-mode}, @var{ref-index})
+ @itemx access (@var{access-mode}, @var{ref-index}, @var{size-index})
+ 
+ The @code{access} attribute enables the detection of invalid or unsafe