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| author | Russ Cox <rsc@golang.org> | 2014-11-24 12:07:11 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-11-24 12:07:11 -0500 |
| commit | b8540fc28867623b23c23e97108a6e975e8a49e7 (patch) | |
| tree | e5c56e6595f5ebf90fc796a7699e53da94076c84 /src/runtime/lfstack.go | |
| parent | 273507aa8f17b2b619934ae63c99a2e31a4df5e2 (diff) | |
| parent | a236804c764c9aa1fb293c24be9c571de5795d05 (diff) | |
| download | go-b8540fc28867623b23c23e97108a6e975e8a49e7.tar.gz go-b8540fc28867623b23c23e97108a6e975e8a49e7.zip | |
[dev.garbage] all: merge dev.cc (493ad916c3b1) into dev.garbage
TBR=austin
CC=golang-codereviews
https://golang.org/cl/179290043
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 |