diff options
Diffstat (limited to 'src/runtime/select.go')
-rw-r--r-- | src/runtime/select.go | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/src/runtime/select.go b/src/runtime/select.go index fe9178763..e918b734a 100644 --- a/src/runtime/select.go +++ b/src/runtime/select.go @@ -377,12 +377,7 @@ loop: // iterating through the linked list they are in reverse order. cas = nil sglist = gp.waiting - // Clear all selectdone and elem before unlinking from gp.waiting. - // They must be cleared before being put back into the sudog cache. - // Clear before unlinking, because if a stack copy happens after the unlink, - // they will not be updated, they will be left pointing to the old stack, - // which creates dangling pointers, which may be detected by the - // garbage collector. + // Clear all elem before unlinking from gp.waiting. for sg1 := gp.waiting; sg1 != nil; sg1 = sg1.waitlink { sg1.selectdone = nil sg1.elem = nil |