Add missing dash for 2 options in documentation (PR debug/90288).

2019-04-30  Martin Liska  <mliska@suse.cz>

	PR debug/90288
	* doc/invoke.texi: Add missing dash for gas-locview-support
	and gno-as-locview-support.

From-SVN: r270692

gcc/ChangeLog

+2019-04-30  Martin Liska  <mliska@suse.cz>
+
+	PR debug/90288
+	* doc/invoke.texi: Add missing dash for gas-locview-support
+	and gno-as-locview-support.
+
 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/89093

gcc/doc/invoke.texi

@@ -7961,7 +7961,7 @@ assembler was found to support such directives.
 Force GCC to generate DWARF2+ line number tables internally, if DWARF2+
 line number tables are to be generated.
 
-@item gas-locview-support
+@item -gas-locview-support
 @opindex gas-locview-support
 Inform the compiler that the assembler supports @code{view} assignment
 and reset assertion checking in @code{.loc} directives.
@@ -7969,7 +7969,7 @@ and reset assertion checking in @code{.loc} directives.
 This option will be enabled by default if, at GCC configure time, the
 assembler was found to support them.
 
-@item gno-as-locview-support
+@item -gno-as-locview-support
 Force GCC to assign view numbers internally, if
 @option{-gvariable-location-views} are explicitly requested.