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Subject: Re: gcd_1.c:188:13: runtime error: shift exponent 64 is too large for
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From: Toon Moene <toon@moene.org>
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On 2/1/22 22:44, Marc Glisse wrote:

> On Tue, 1 Feb 2022, Toon Moene wrote:
> 
>> I just ran a "ubsan" build on my x86_64-linux-gnu system.

> Maybe try with a more recent version of GMP first? gcd_1.c has only 103 
> lines in release 6.2.1.
> 
> A stack trace (UBSAN_OPTIONS=print_stacktrace=1) would make it easier to 
> guess where this is coming from.

Fascinating. My gcc directory had both gmp-6.2.1 and -6.1.0, but the 
symbolic link 'gmp' pointed to the old one. A similar problem for mpc, 
mpfr and isl ... I will retest.

Thanks !

-- 
Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands