Bug#407945: abuse: aiming goes crazy in left, and down, quadrant

[jasen]

On Sun, Jun 17, 2007 at 01:03:03PM +0000, Debian Bug Tracking System wrote:

it seems to be a gcc optimisation bug in lisp_atan2()
(found in src/lisp.cpp)

compiling that file with -O0 instead of -O2 fixes it.


attached is a modified lisp_atan2() that gcc has no problems with.
(this one works OK if compiled with -02)

FWIW$ gcc --version
gcc (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)

I've reporting the bug in gcc

Bye.
   Jasen
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