and reorganize test log messages for stack dumps
for easier debugging.
The error log will be formatted like the following:
trace_stack_test.go:282: Did not match event GoCreate with stack
runtime/trace_test.TestTraceSymbolize :39
testing.tRunner :0
Seen 30 events of the type
Offset 1890
runtime/trace_test.TestTraceSymbolize /go/src/runtime/trace/trace_stack_test.go:30
testing.tRunner /go/src/testing/testing.go:777
Offset 1899
runtime/trace_test.TestTraceSymbolize /go/src/runtime/trace/trace_stack_test.go:30
testing.tRunner /go/src/testing/testing.go:777
...
Change-Id: I0468de04507d6ae38ba84d99d13f7bf592e8d115
Reviewed-on: https://go-review.googlesource.com/92916 Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>