diff options
Diffstat (limited to 'src/runtime/lfstack.go')
| -rw-r--r-- | src/runtime/lfstack.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/runtime/lfstack.go b/src/runtime/lfstack.go index a4ad8a10c6..fd3325972a 100644 --- a/src/runtime/lfstack.go +++ b/src/runtime/lfstack.go @@ -12,6 +12,10 @@ import "unsafe" func lfstackpush(head *uint64, node *lfnode) { node.pushcnt++ new := lfstackPack(node, node.pushcnt) + if node1, _ := lfstackUnpack(new); node1 != node { + println("runtime: lfstackpush invalid packing: node=", node, " cnt=", hex(node.pushcnt), " packed=", hex(new), " -> node=", node1, "\n") + gothrow("lfstackpush") + } for { old := atomicload64(head) node.next = old |