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(__pthread_once): Check __sigsetjmp return value.
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@ -109,6 +109,7 @@ __pthread_once:
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movl $0, 4(%esp)
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movl $0, 4(%esp)
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movl %eax, (%esp)
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movl %eax, (%esp)
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call __sigsetjmp@PLT
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call __sigsetjmp@PLT
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testl %eax, %eax
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jne 7f
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jne 7f
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leal 8(%esp), %eax
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leal 8(%esp), %eax
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