a7c09ad4fb
This improves stack barrier debugging messages in various ways: 1) Rather than printing only the remaining stack barriers (of which there may be none, which isn't very useful), print all of the G's stack barriers with a marker at the position the stack itself has unwound to and a marker at the problematic stack barrier (where applicable). 2) Rather than crashing if we encounter a stack barrier when there are no more stkbar entries, print the same debug message we would if we had encountered a stack barrier at an unexpected location. Hopefully this will help with debugging #12528. Change-Id: I2e6fe6a778e0d36dd8ef30afd4c33d5d94731262 Reviewed-on: https://go-review.googlesource.com/17147 Reviewed-by: Rick Hudson <rlh@golang.org> Reviewed-by: Russ Cox <rsc@golang.org> |
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