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runtime: when crash with panic, call user Error/String methods before freezing the world

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Fixes #14432.

Change-Id: I0a92ef86de95de39217df9a664d8034ef685a906
Reviewed-on: https://go-review.googlesource.com/19792
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Minux Ma <minux@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Shenghou Ma 2016-02-21 13:56:08 -05:00 • committed by Minux Ma
parent bc8458ab02
commit e960302410
5 changed files with 99 additions and 0 deletions
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16
src/runtime/crash_test.go
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@ -336,3 +336,19 @@ func TestPanicTraceback(t *testing.T) {
output = output[idx[1]:]
}
}
func testPanicDeadlock(t *testing.T, name string, want string) {
// test issue 14432
output := runTestProg(t, "testprog", name)
if !strings.HasPrefix(output, want) {
t.Fatalf("output does not start with %q:\n%s", want, output)
}
}
func TestPanicDeadlockGosched(t *testing.T) {
testPanicDeadlock(t, "GoschedInPanic", "panic: errorThatGosched\n\n")
}
func TestPanicDeadlockSyscall(t *testing.T) {
testPanicDeadlock(t, "SyscallInPanic", "1\n2\npanic: 3\n\n")
}