1 files changed, 21 insertions, 0 deletions
diff --git a/test/fixedbugs/issue43908.go b/test/fixedbugs/issue43908.go
new file mode 100644
index 0000000..47709eb
--- /dev/null
+++ b/test/fixedbugs/issue43908.go
@@ -0,0 +1,21 @@
+// run
+
+// 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.
+
+// Verify exact constant evaluation independent of
+// (mathematically equivalent) expression form.
+
+package main
+
+import "fmt"
+
+const ulp1 = imag(1i + 2i / 3 - 5i / 3)
+const ulp2 = imag(1i + complex(0, 2) / 3 - 5i / 3)
+
+func main() {
+	if ulp1 != ulp2 {
+		panic(fmt.Sprintf("%g != %g\n", ulp1, ulp2))
+	}
+}