go source for verification 2026-05-22

test/fixedbugs/issue52193.go

@@ -0,0 +1,25 @@
+// errorcheck -0 -m
+
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package p
+
+// Test that inlining doesn't break if devirtualization exposes a new
+// inlinable callee.
+
+func f() { // ERROR "can inline f"
+	var i interface{ m() } = T(0) // ERROR "T\(0\) does not escape"
+	i.m()                         // ERROR "devirtualizing i.m" "inlining call to T.m" "inlining call to f" "T\(0\) does not escape"
+}
+
+type T int
+
+func (T) m() { // ERROR "can inline T.m"
+	if never {
+		f() // ERROR "inlining call to f" "devirtualizing i.m" "T\(0\) does not escape" "inlining call to T.m"
+	}
+}
+
+var never bool