From 6f2b8347b148bb7aab1a89423d18ec0cbca6ffb4 Mon Sep 17 00:00:00 2001 From: Cherry Zhang Date: Wed, 11 Dec 2019 11:44:08 -0500 Subject: [PATCH] test: add a test for gccgo compiler bug of missing type descriptor The gccgo compiler did not generate type descriptor for a pointer to a type alias defined in another package, causing linking error. The fix is CL 210787. This CL adds a test. Updates #36085. Change-Id: I3237c7fedb4d92fb2dc610ee2b88087f96dc2a1a Reviewed-on: https://go-review.googlesource.com/c/go/+/210858 Run-TryBot: Cherry Zhang Reviewed-by: Ian Lance Taylor --- test/fixedbugs/issue36085.dir/a.go | 3 +++ test/fixedbugs/issue36085.dir/b.go | 8 ++++++++ test/fixedbugs/issue36085.go | 11 +++++++++++ 3 files changed, 22 insertions(+) create mode 100644 test/fixedbugs/issue36085.dir/a.go create mode 100644 test/fixedbugs/issue36085.dir/b.go create mode 100644 test/fixedbugs/issue36085.go diff --git a/test/fixedbugs/issue36085.dir/a.go b/test/fixedbugs/issue36085.dir/a.go new file mode 100644 index 00000000000..07cabcd2cce --- /dev/null +++ b/test/fixedbugs/issue36085.dir/a.go @@ -0,0 +1,3 @@ +package a + +type W = map[int32]interface{} diff --git a/test/fixedbugs/issue36085.dir/b.go b/test/fixedbugs/issue36085.dir/b.go new file mode 100644 index 00000000000..c5ee26970a7 --- /dev/null +++ b/test/fixedbugs/issue36085.dir/b.go @@ -0,0 +1,8 @@ +package main + +import "a" + +var w a.W +var X interface{} = &w + +func main() {} diff --git a/test/fixedbugs/issue36085.go b/test/fixedbugs/issue36085.go new file mode 100644 index 00000000000..69d4490fd5a --- /dev/null +++ b/test/fixedbugs/issue36085.go @@ -0,0 +1,11 @@ +// compiledir + +// Copyright 2019 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. + +// Issue 36085: gccgo compiler did not generate type descriptor +// for pointer to type alias defined in another package, causing +// linking error. + +package ignored