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path: root/src/cmd/compile/internal/noder/writer.go
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Diffstat (limited to 'src/cmd/compile/internal/noder/writer.go')
-rw-r--r--src/cmd/compile/internal/noder/writer.go15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/cmd/compile/internal/noder/writer.go b/src/cmd/compile/internal/noder/writer.go
index e5894c9505..c317f392c1 100644
--- a/src/cmd/compile/internal/noder/writer.go
+++ b/src/cmd/compile/internal/noder/writer.go
@@ -1209,10 +1209,17 @@ func (w *writer) stmt(stmt syntax.Stmt) {
func (w *writer) stmts(stmts []syntax.Stmt) {
dead := false
w.Sync(pkgbits.SyncStmts)
- for _, stmt := range stmts {
- if dead {
- // Any statements after a terminating statement are safe to
- // omit, at least until the next labeled statement.
+ var lastLabel = -1
+ for i, stmt := range stmts {
+ if _, ok := stmt.(*syntax.LabeledStmt); ok {
+ lastLabel = i
+ }
+ }
+ for i, stmt := range stmts {
+ if dead && i > lastLabel {
+ // Any statements after a terminating and last label statement are safe to omit.
+ // Otherwise, code after label statement may refer to dead stmts between terminating
+ // and label statement, see issue #65593.
if _, ok := stmt.(*syntax.LabeledStmt); !ok {
continue
}