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[debbugs-tracker] bug#24908: closed (Possible unboxing bug in master tri


From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#24908: closed (Possible unboxing bug in master triggered by (format))
Date: Thu, 15 Dec 2016 12:00:02 +0000

Your message dated Thu, 15 Dec 2016 12:59:44 +0100
with message-id <address@hidden>
and subject line bug#24908: closing
has caused the debbugs.gnu.org bug report #24908,
regarding Possible unboxing bug in master triggered by (format)
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
24908: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24908
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: Possible unboxing bug in master triggered by (format) Date: Wed, 9 Nov 2016 14:17:04 +0100
(format #f "~2f" 9.9) fails in master. You can try different combinations, it 
doesn't fail when it rounds down or there're more spaces for example.

The first bad commit is 0f2f5949a21572fad8355473200c7adc6d74f882 'Better 
unboxing' on the master branch.

See the full error below. 18446744073709551615 is 2^64-1 of course so it looks 
like bad signedness somewhere.

Regards

        Daniel


> guile -c '(use-modules (ice-9 format)) (format #f "~2f" 9.9)'
Backtrace:./meta/guile -c '(use-modules (ice-9 format)) (format #f "~2f" 9.9)'
Backtrace:
           8 (apply-smob/1 #<catch-closure 1105c20>)
In ice-9/boot-9.scm:
    704:2  7 (call-with-prompt ("prompt") #<procedure 110a060 at ic…> …)
In ice-9/eval.scm:
    608:8  6 (_ #(#(#<directory (guile-user) 110cf30>)))
In ice-9/command-line.scm:
   181:18  5 (_ #<input: string 1119f50>)
In unknown file:
           4 (eval (format #f "~2f" 9.9) #<directory (guile-user) 11…>)
In ice-9/format.scm:
  1590:19  3 (format #f "~2f" 9.9)
   316:19  2 (format:format-work "~2f" (9.9))
  1142:30  1 (format:out-fixed #f _ _)
  1525:37  0 (format:fn-round _)

ice-9/format.scm:1525:37: In procedure format:fn-round:
ice-9/format.scm:1525:37: In procedure string-ref: Value out of range: 
18446744073709551615




--- End Message ---
--- Begin Message --- Subject: bug#24908: closing Date: Thu, 15 Dec 2016 12:59:44 +0100
Fixed in 2660c0b3c86bf76fab465c200a5ca20fb37cf811.



--- End Message ---

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