Substitute constants with modular equivalents more safely

[sbcl.git] / NEWS

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 ;;;; -*- coding: utf-8; fill-column: 78 -*-
 changes relative to sbcl-1.1.6
+  * bug fix: modular arithmetic involving large constants and conditionals
+    should no longer result in spurious dead code elimination. Reported by 
+    Eric Marsden on sbcl-devel.
   * bug fix: our mach exception handler can seemingly called very early in
     the program execution process on OS X 10.8.0. Try and handle that case
     robustly, without potentially leaking mach ports too much.