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authorRuss Cox <rsc@golang.org>2024-05-21 23:24:47 -0400
committerGopher Robot <gobot@golang.org>2024-05-23 00:18:55 +0000
commitbde905af5b11e3e34bc1f5d4846d7767f7197236 (patch)
tree8def6eab2e681e1b463e8327279bc8f833b5f10f /src/runtime/panic.go
parent2f07d4455636ece45ff843fe4d9298ea65f933c1 (diff)
downloadgo-bde905af5b11e3e34bc1f5d4846d7767f7197236.tar.xz
all: document legacy //go:linkname for modules with ≥20,000 dependents
For #67401. Change-Id: Icc10ede72547d8020c0ba45e89d954822a4b2455 Reviewed-on: https://go-review.googlesource.com/c/go/+/587218 Auto-Submit: Russ Cox <rsc@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src/runtime/panic.go')
-rw-r--r--src/runtime/panic.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/runtime/panic.go b/src/runtime/panic.go
index e68d857c6d..145b1a45b1 100644
--- a/src/runtime/panic.go
+++ b/src/runtime/panic.go
@@ -1034,6 +1034,15 @@ func sync_fatal(s string) {
// NOTE: temporarily marked "go:noinline" pending investigation/fix of
// issue #67274, so as to fix longtest builders.
//
+// throw should be an internal detail,
+// but widely used packages access it using linkname.
+// Notable members of the hall of shame include:
+// - github.com/bytedance/sonic
+//
+// Do not remove or change the type signature.
+// See go.dev/issue/67401.
+//
+//go:linkname throw
//go:nosplit
func throw(s string) {
// Everything throw does should be recursively nosplit so it