* doc/invoke.texi: Add -fstrict-volatile-bitfields to
Option Summary and Index.
===================================================================
@@ -942,7 +942,7 @@ See S/390 and zSeries Options.
-fno-stack-limit -fsplit-stack @gol
-fleading-underscore -ftls-model=@var{model} @gol
-ftrapv -fwrapv -fbounds-check @gol
--fvisibility}
+-fvisibility -fstrict-volatile-bitfields}
@end table
@menu
@@ -18117,6 +18117,7 @@ An overview of these techniques, their b
is at @uref{http://gcc.gnu.org/@/wiki/@/Visibility}.
@item -fstrict-volatile-bitfields
+@opindex fstrict-volatile-bitfields
This option should be used if accesses to volatile bitfields (or other
structure fields, although the compiler usually honors those types
anyway) should use a single access in a mode of the same size as the