doc: Fix opindex for -W options

@opindex -Wxxx is wrong; it should be @opindex Wxxx.

	* doc/invoke.texi (Warning Options): Fix some @opindex syntax.

From-SVN: r272672

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d06f5569bcd39bdbe8fb2c2554bbb5a595cf47f9..896ca5732d21cc6d7cf98e35e74a85ee8ce74f8f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
+
+       * doc/invoke.texi (Warning Options): Fix some @opindex syntax.
+
 2019-06-26  Martin Liska  <mliska@suse.cz>
 
        PR tree-optimization/90973

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index e6d591cc13dedf2742cc8fd4711d077577f8408f..03d2895c9d7e56df0cd3c14e9914160d42ab4010 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -6146,8 +6146,8 @@ false positives and is deactivated by default.
 
 @item -Wattribute-alias=@var{n}
 @itemx -Wno-attribute-alias
-@opindex -Wattribute-alias
-@opindex -Wno-attribute-alias
+@opindex Wattribute-alias
+@opindex Wno-attribute-alias
 Warn about declarations using the @code{alias} and similar attributes whose
 target is incompatible with the type of the alias.
 @xref{Function Attributes,,Declaring Attributes of Functions}.