cmd/go: support -ccflags in 'go test'

Fixes #7810.

LGTM=iant
R=golang-codereviews, iant
CC=golang-codereviews
https://golang.org/cl/89050043

diff --git a/src/cmd/go/testflag.go b/src/cmd/go/testflag.go
index 2b5f89ba5f97000137124afcf074c9ba550cd182..adfc2d9216be61a239c35534dc007ffeaa837c23 100644 (file)
--- a/src/cmd/go/testflag.go
+++ b/src/cmd/go/testflag.go
@@ -76,6 +76,7 @@ var testFlagDefn = []*testFlagSpec{
        {name: "p"},
        {name: "x", boolVar: &buildX},
        {name: "work", boolVar: &buildWork},
+       {name: "ccflags"},
        {name: "gcflags"},
        {name: "exec"},
        {name: "ldflags"},