22d28a24c8
If the defer function pointer is nil, force the seg fault to happen in deferreturn rather than in jmpdefer. jmpdefer is used fairly infrequently now because most functions have open-coded defers. The open-coded defer implementation calls gentraceback() with a callback when looking for the first open-coded defer frame. gentraceback() throws an error if it is called with a callback on an LR architecture and jmpdefer is on the stack, because the stack trace can be incorrect in that case - see issue #8153. So, we want to make sure that we don't have a seg fault in jmpdefer. Fixes #36050 Change-Id: Ie25e6f015d8eb170b40248dedeb26a37b7f9b38d Reviewed-on: https://go-review.googlesource.com/c/go/+/210978 Reviewed-by: Keith Randall <khr@golang.org> Run-TryBot: Dan Scales <danscales@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> |
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