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[Cygwin64] dash segfault


Hi!

I doubt there is a shortage of obscure things to track down in the land
of 64-bit, but while building a package using the stuff from install/release
I noticed a segfault in dash when it ran a libtool script to generate a
dll. Retrying got the dll built correctly.

Fact is, I do see segfaults once in a while, but retrying has always helped
so far, so I haven't pursued it.

How do I set up a debugger to get more info than the below stackdump?

Cheers,
Peter

bash-4.1$ cat dash.exe.stackdump
Exception: STATUS_ACCESS_VIOLATION at rip=00180148035
rax=0000000000000000 rbx=000006FFFFF94A00 rcx=0000000000000043
rdx=00000001802B6DE8 rsi=000006FFFFF8F630 rdi=0000000000000043
r8 =0000000010454050 r9 =0000000010454040 r10=00000001800BEEC0
r11=0000000100410325 r12=0000000100419910 r13=00000000FFFFFFFB
r14=0000000000000004 r15=000006FFFFF948D0
rbp=0000000000000001 rsp=00000000002285F0
program=C:\Cygwin\opt\bin\dash.exe, pid 38688, thread main
cs=0033 ds=002B es=002B fs=0053 gs=002B ss=002B


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