Add test for shadowing

1 files changed, 23 insertions, 0 deletions

diff --git a/testdata/shadow.go b/testdata/shadow.go
new file mode 100644
index 0000000..3672bc6
--- /dev/null
+++ b/testdata/shadow.go
@@ -0,0 +1,23 @@
+package main
+
+import (
+	"errors"
+	"log"
+)
+
+func shadow() {
+	var err error
+	err = nil
+	if err != nil {
+		log.Print(err)
+	}
+
+	go func() {
+		// err is redeclared here and shadows the outer scope. No diagnostic
+		// should be printed.
+		err := errors.New("shadowing err")
+		if err != nil {
+			log.Print(err)
+		}
+	}()
+}