cmd/go: add -include to cgo whitelist

Fixes #39988.

Change-Id: Ia6f5b73e6508f27e3badbcbd29dbeadffd55a932
Reviewed-on: https://go-review.googlesource.com/c/go/+/240739
Trust: Tobias Klauser <[email protected]>
Run-TryBot: Tobias Klauser <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Ian Lance Taylor <[email protected]>

Author: dpifke

src/cmd/go/internal/work/security.go

@@ -132,6 +132,7 @@ var validCompilerFlagsWithNextArg = []string{
 	"-U",
 	"-I",
 	"-framework",
+	"-include",
 	"-isysroot",
 	"-isystem",
 	"--sysroot",

src/cmd/go/internal/work/security_test.go

@@ -62,6 +62,8 @@ var goodCompilerFlags = [][]string{
 	{"-I", "=/usr/include/libxml2"},
 	{"-I", "dir"},
 	{"-I", "$SYSROOT/dir"},
+	{"-isystem", "/usr/include/mozjs-68"},
+	{"-include", "/usr/include/mozjs-68/RequiredDefines.h"},
 	{"-framework", "Chocolate"},
 	{"-x", "c"},
 	{"-v"},
@@ -91,6 +93,7 @@ var badCompilerFlags = [][]string{
 	{"-I", "@foo"},
 	{"-I", "-foo"},
 	{"-I", "=@obj"},
+	{"-include", "@foo"},
 	{"-framework", "-Caffeine"},
 	{"-framework", "@Home"},
 	{"-x", "--c"},