https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83302
Bug ID: 83302 Summary: i386 stack_probe has side effects Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: coypu at sdf dot org Target Milestone: --- stack_probe on x86 is "or 0 offset(%rsp)". it's not a no-op because it isn't atomic. Related: https://github.com/golang/go/issues/20427 https://lkml.org/lkml/2017/11/10/188 https://marcan.st/2017/12/debugging-an-evil-go-runtime-bug/