diff --git a/doc/go_spec.html b/doc/go_spec.html
index c8051f58af..46eebb5713 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -1,6 +1,6 @@
@@ -4598,7 +4598,8 @@ a block. The following statements are terminating:
A "for" statement in which:
- there are no "break" statements referring to the "for" statement, and
- - the loop condition is absent.
+ - the loop condition is absent, and
+ - the "for" statement does not use a range clause.
diff --git a/src/cmd/compile/internal/types2/return.go b/src/cmd/compile/internal/types2/return.go
index 204e456a91..6c3e1842ce 100644
--- a/src/cmd/compile/internal/types2/return.go
+++ b/src/cmd/compile/internal/types2/return.go
@@ -62,6 +62,11 @@ func (check *Checker) isTerminating(s syntax.Stmt, label string) bool {
return true
case *syntax.ForStmt:
+ if _, ok := s.Init.(*syntax.RangeClause); ok {
+ // Range clauses guarantee that the loop terminates,
+ // so the loop is not a terminating statement. See issue 49003.
+ break
+ }
if s.Cond == nil && !hasBreak(s.Body, label, true) {
return true
}
diff --git a/test/fixedbugs/issue49003.go b/test/fixedbugs/issue49003.go
new file mode 100644
index 0000000000..da6c19b8cb
--- /dev/null
+++ b/test/fixedbugs/issue49003.go
@@ -0,0 +1,12 @@
+// errorcheck
+
+// Copyright 2021 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
+
+func f(s string) int {
+ for range s {
+ }
+} // ERROR "missing return"