From 3f83c83bd681861802ac07ec285cef28fd5766cb Mon Sep 17 00:00:00 2001 From: "Bryan C. Mills" Date: Tue, 25 Jun 2019 09:17:28 -0400 Subject: [PATCH] cmd/go: ensure that runtime/cgo is not stale in TestExecBuildX Fixes #29004 Change-Id: Ifc8330b47fbec6f902057cb9b6db44f2c0082056 Reviewed-on: https://go-review.googlesource.com/c/go/+/183838 Run-TryBot: Bryan C. Mills TryBot-Result: Gobot Gobot Reviewed-by: Jay Conrod --- src/cmd/go/go_test.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/cmd/go/go_test.go b/src/cmd/go/go_test.go index 9d82ac7dc8..e07f97d068 100644 --- a/src/cmd/go/go_test.go +++ b/src/cmd/go/go_test.go @@ -5061,6 +5061,11 @@ func TestExecBuildX(t *testing.T) { tg.tempDir("cache") tg.setenv("GOCACHE", tg.path("cache")) + // Before building our test main.go, ensure that an up-to-date copy of + // runtime/cgo is present in the cache. If it isn't, the 'go build' step below + // will fail with "can't open import". See golang.org/issue/29004. + tg.run("build", "runtime/cgo") + tg.tempFile("main.go", `package main; import "C"; func main() { print("hello") }`) src := tg.path("main.go") obj := tg.path("main") -- 2.50.0