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225f484c88
Add a bunch of extra tests and benchmarks for defer, in preparation for new low-cost (open-coded) implementation of defers (see #34481), - New file defer_test.go that tests a bunch more unusual defer scenarios, including things that might have problems for open-coded defers. - Additions to callers_test.go actually verifying what the stack trace looks like for various panic or panic-recover scenarios. - Additions to crash_test.go testing several more crash scenarios involving recursive panics. - New benchmark in runtime_test.go measuring speed of panic-recover - New CGo benchmark in cgo_test.go calling from Go to C back to Go that shows defer overhead Updates #34481 Change-Id: I423523f3e05fc0229d4277dd00073289a5526188 Reviewed-on: https://go-review.googlesource.com/c/go/+/197017 Run-TryBot: Dan Scales <danscales@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Austin Clements <austin@google.com> |
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