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Doc: Add pointer to --help use to main entry for -Q option [PR90465]

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-Q does something completely different in conjunction with --help than it
does otherwise; its main entry in the manual didn't mention that, nor did
-Q have an entry in the index for the --help usage.

gcc/ChangeLog
	PR driver/90465
	* doc/invoke.texi (Overall Options): Add a @cindex for -Q in
	connection with --help=.
	(Developer Options): Point at --help= documentation for the
	other use of -Q.
This commit is contained in:
Sandra Loosemore 2025-04-16 18:17:11 +00:00
parent 4e3060ee17
commit a5212edf26
1 changed files with 8 additions and 2 deletions
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10
gcc/doc/invoke.texi
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@ -2199,6 +2199,7 @@ those that have already been displayed. If @option{--help} is also
specified anywhere on the command line then this takes precedence
over any @option{--help=} option.
@opindex Q
If the @option{-Q} option appears on the command line before the
@option{--help=} option, then the descriptive text displayed by
@option{--help=} is changed. Instead of describing the displayed
@ -21311,8 +21312,13 @@ Toggle @option{-fvar-tracking-assignments}, in the same way that
@opindex Q
@item -Q
Makes the compiler print out each function name as it is compiled, and
print some statistics about each pass when it finishes.
When used on the command line prior to @option{--help=}, @option{-Q}
acts as a modifier to the help output. @xref{Overall Options},
for details about @option{--help=}.
Otherwise, this option makes the compiler print out each function name
as it is compiled, and print some statistics about each pass when it
finishes.
@opindex ftime-report
@item -ftime-report