doc: Fix some typos

gty calls gt_clear*e*_cache not gt_clear_cache.  I know not why it is
named so, but at least document it correctly.  invoke.texi had a duplicate opindex.

	gcc/
	* doc/gty.texi: Fic gt_cleare_cache name.
	* doc/invoke.texi: Remove duplicate opindex Wabi-tag.

diff --git a/gcc/doc/gty.texi b/gcc/doc/gty.texi
index 9414d3c..f5c3104 100644 (file)
--- a/gcc/doc/gty.texi
+++ b/gcc/doc/gty.texi
@@ -250,7 +250,7 @@ for more information.
 @findex cache
 @item cache
 
-When the @code{cache} option is applied to a global variable gt_clear_cache is
+When the @code{cache} option is applied to a global variable gt_cleare_cache is
 called on that variable between the mark and sweep phases of garbage
 collection.  The gt_clear_cache function is free to mark blocks as used, or to
 clear pointers in the variable.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 09bcc5b..e34d03d 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3272,7 +3272,6 @@ In addition, these warning options have meanings only for C++ programs:
 @table @gcctabopt
 @item -Wabi-tag @r{(C++ and Objective-C++ only)}
 @opindex Wabi-tag
-@opindex Wabi-tag
 Warn when a type with an ABI tag is used in a context that does not
 have that ABI tag.  See @ref{C++ Attributes} for more information
 about ABI tags.