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bug#15842: Integer overflow on Mac OS X 64-bit

From: Geert Janssens
Subject: bug#15842: Integer overflow on Mac OS X 64-bit
Date: Fri, 15 Nov 2013 09:24:55 +0100
User-agent: KMail/4.11.2 (Linux/3.11.6-200.fc19.x86_64; KDE/4.11.2; x86_64; ; )

On Thursday 14 November 2013 19:25:25 Mark H Weaver wrote:

> When reporting bugs, please tell us what version of Guile you're

> using.


Oops, I should have known better. William S. Fulton (from the Swig project), filled in the details in message #8.


> This is fixed in Guile 2.0.9. The bug came into existence when clang

> started optimizing out overflow checks, on the theory that if a signed

> integer overflow occurs then the behavior is unspecified and thus the

> compiler can do whatever it likes.


As noted by William, the bug appears in 1.8. Is there any chance to get this fix backported to that branch ? Or has support for 1.8 stopped completely in the meantime ?





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