cmd/go: remove init() to fix precedence issue when setting debug mod info
Fixes #29628
Change-Id: I95dabed797ef7a1a770b6f4219840f653306af7e
GitHub-Last-Rev: 9275dd8f1c6a0cfa16ae882fcfc100991f8338f7
GitHub-Pull-Request: golang/go#29630
Reviewed-on: https://go-review.googlesource.com/c/157097
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
diff --git a/src/cmd/go/internal/modload/build.go b/src/cmd/go/internal/modload/build.go
index efeb7a5..70740ae 100644
--- a/src/cmd/go/internal/modload/build.go
+++ b/src/cmd/go/internal/modload/build.go
@@ -252,13 +252,10 @@
func ModInfoProg(info string) []byte {
// Inject a variable with the debug information as runtime/debug.modinfo,
// but compile it in package main so that it is specific to the binary.
- // Populate it in an init func so that it will work with go:linkname,
- // but use a string constant instead of the name 'string' in case
- // package main shadows the built-in 'string' with some local declaration.
+ // No need to populate in an init func, it will still work with go:linkname,
return []byte(fmt.Sprintf(`package main
import _ "unsafe"
//go:linkname __debug_modinfo__ runtime/debug.modinfo
-var __debug_modinfo__ = ""
-func init() { __debug_modinfo__ = %q }
+var __debug_modinfo__ = %q
`, string(infoStart)+info+string(infoEnd)))
}