markused: fix option none markused (fix #26147) (#26151)

kbkpbot · web-flow · commit 7e3715ed2593 · 2025-12-27T08:43:34.000+02:00
diff --git a/vlib/v/gen/c/testdata/const_none_memdup.c.must_have b/vlib/v/gen/c/testdata/const_none_memdup.c.must_have
@@ -0,0 +1 @@
+voidptr builtin__memdup(voidptr src, isize sz);
diff --git a/vlib/v/gen/c/testdata/const_none_memdup.out b/vlib/v/gen/c/testdata/const_none_memdup.out
diff --git a/vlib/v/gen/c/testdata/const_none_memdup.vv b/vlib/v/gen/c/testdata/const_none_memdup.vv
@@ -0,0 +1,4 @@
+
+fn main() {
+	_ := [?string('abc')]!
+}
diff --git a/vlib/v/markused/walker.v b/vlib/v/markused/walker.v
@@ -1436,7 +1436,8 @@ fn (mut w Walker) mark_resource_dependencies() {
 		w.fn_by_name('malloc')
 		w.fn_by_name('tos3')
 	}
-	if w.uses_memdup || w.used_none > 0 {
+	if w.uses_memdup || w.used_none > 0 || w.used_option > 0 {
+		// used_option => used_none => use memdup
 		w.fn_by_name('memdup')
 	}
 	if w.uses_debugger {

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+voidptr builtin__memdup(voidptr src, isize sz);`
-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
++
 +fn main() {
 +	_ := [?string('abc')]!
 +}
Original file line number	Diff line number	Diff line change
`@@ -1436,7 +1436,8 @@ fn (mut w Walker) mark_resource_dependencies() {`
`1436`	`1436`	`w.fn_by_name('malloc')`
`1437`	`1437`	`w.fn_by_name('tos3')`
`1438`	`1438`	`}`
`1439`		`- if w.uses_memdup \|\| w.used_none > 0 {`
	`1439`	`+ if w.uses_memdup \|\| w.used_none > 0 \|\| w.used_option > 0 {`
	`1440`	`+ // used_option => used_none => use memdup`
`1440`	`1441`	`w.fn_by_name('memdup')`
`1441`	`1442`	`}`
`1442`	`1443`	`if w.uses_debugger {`