3c255e8bc6
Currently we only know the slot address and the value being written in the throwOnGCWork crash tracebacks, and we have to infer the old value from what's dumped by gcWork.checkPut. Sometimes these old values don't make sense, like when we see a write of a nil pointer to a freshly-allocated object, yet we observe marking a value (where did that pointer come from?). This CL adds the old value of the slot and the first two pointers in the buffer to the traceback. For #27993. Change-Id: Ib70eead1afb9c06e8099e520172c3a2acaa45f80 Reviewed-on: https://go-review.googlesource.com/c/154597 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> |
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