diff options
Diffstat (limited to 'src/runtime/mgc.go')
| -rw-r--r-- | src/runtime/mgc.go | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go index 5b0c9b990..a13de0488 100644 --- a/src/runtime/mgc.go +++ b/src/runtime/mgc.go @@ -923,14 +923,11 @@ func scanframe(frame *stkframe, unused unsafe.Pointer) bool { } func scanstack(gp *g) { - // TODO(rsc): Due to a precedence error, this was never checked in the original C version. - // If you enable the check, the gothrow happens. - /* - if readgstatus(gp)&_Gscan == 0 { - print("runtime: gp=", gp, ", goid=", gp.goid, ", gp->atomicstatus=", readgstatus(gp), "\n") - gothrow("mark - bad status") - } - */ + + if readgstatus(gp)&_Gscan == 0 { + print("runtime:scanstack: gp=", gp, ", goid=", gp.goid, ", gp->atomicstatus=", hex(readgstatus(gp)), "\n") + gothrow("scanstack - bad status") + } switch readgstatus(gp) &^ _Gscan { default: |