compiler: mark stringFromBytes as nocapture/readonly to help escape analysis

Fixes #4525
2026-07-26 06:38:42 +00:00 · 2024-10-18 08:00:42 -07:00
parent 01dac8ba8e
commit 40c9c66c1d
2 changed files with 8 additions and 0 deletions
@@ -49,6 +49,11 @@ func main() {
 		n4 = n5
 	}()
 	println(n4, n5)
+
+	// This shouldn't escape.
+	var buf [32]byte
+	s := string(buf[:])
+	println(len(s))
 }

 func derefInt(x *int) int {