Exception number: c0000005 (access violation)

[John Cooper]

> I get this sometimes at RtlFreeHeap+0x21, on program runs with the same data, so they 
> should be identical. I am using b18 as downloaded from Cygnus, and Mingw32 version 0.1.4
> from http://www.geocities.com/Tokyo/Towers/6162/ 

I have tracked this down (eventually) to an attempt to free memory twice (two pointers to the 
same thing). This code has been working without a runtime error for four years, under Sun C 
(Solaris SPARC), IBM C (AIX RS/6000), and Cygnus b17. It has taken this new version 
(b18+Mingw32) to bring it to light.
-- 
John Cooper (JPSC Ltd, UK)

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