From: Thomas Schwinge <thomas@codesourcery.com>
Date: Tue, 3 Aug 2021 12:59:56 +0000 (+0200)
Subject: Sanity check that 'Init' doesn't appear without 'Var' in '*.opt' files
X-Git-Tag: basepoints/gcc-13~5499
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5230519305946338ddc7107ce45c740812142b4;p=thirdparty%2Fgcc.git

Sanity check that 'Init' doesn't appear without 'Var' in '*.opt' files

... as that doesn't make sense.

    @item Init(@var{value})
    The variable specified by the @code{Var} property should be statically
    initialized to @var{value}.  [...]

	gcc/
	* optc-gen.awk: Sanity check that 'Init' doesn't appear without
	'Var'.
---

diff --git a/gcc/optc-gen.awk b/gcc/optc-gen.awk
index 880ac776d8a5..77e598efd605 100644
--- a/gcc/optc-gen.awk
+++ b/gcc/optc-gen.awk
@@ -195,10 +195,14 @@ for (i = 0; i < n_extra_vars; i++) {
 }
 for (i = 0; i < n_opts; i++) {
 	name = var_name(flags[i]);
-	if (name == "")
+	init = opt_args("Init", flags[i])
+
+	if (name == "") {
+		if (init != "")
+		    print "#error " opts[i] " must specify Var to use Init"
 		continue;
+	}
 
-	init = opt_args("Init", flags[i])
 	if (init != "") {
 		if (name in var_init && var_init[name] != init)
 			print "#error multiple initializers for " name