| commit | 0304d035cd1a35762b0d1e394f13345e29107b63 | [log] [tgz] |
|---|---|---|
| author | Michael Anthony Knyszek <mknyszek@google.com> | Mon Apr 22 15:24:42 2024 +0000 |
| committer | Michael Knyszek <mknyszek@google.com> | Tue Apr 23 02:53:00 2024 +0000 |
| tree | 497ed3bd5e97c216ec7b6a7e7d0683e753eb48df | |
| parent | 9702cd980fadefe4d6740a52d32fb1ad52e984cc [diff] |
runtime: switch to systemstack before throw in casgstatus CL 580255 increased the frame size of entersyscall and reentersyscall, which is causing the x/sys repository to fail to build for windows/arm64 because of an overflow of the nosplit stack reservation. Fix this by wrapping the other call to throw in casgstatus in a system stack switch. This is a fatal throw anyway indicating a core runtime invariant is broken, so this path is basically never taken. This cuts off the nosplit frame chain and allows x/sys to build. Change-Id: I00b16c9db3a7467413ed48953c7f8a9a750f000a Reviewed-on: https://go-review.googlesource.com/c/go/+/580775 Reviewed-by: Cherry Mui <cherryyz@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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