1.0.17.24: refactor handling of constants in the compiler

[sbcl.git] / NEWS

diff --git a/NEWS b/NEWS
index 348f800..ecd853e 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,8 @@
 changes in sbcl-1.0.18 relative to 1.0.17:
   * minor incompatible change: SB-SPROF:WITH-PROFILING now by default
     profiles only the current thread.
+  * minor incompatible change: changes to SYMBOL-VALUE of constants
+    defined with DEFCONSTANT now signal an error.
   * enhancement: SB-SPROF now has support for wallclock profiling,
     and is also able to profile specific threads. REPORT output
     has also additional sorting options.
@@ -14,6 +16,9 @@ changes in sbcl-1.0.18 relative to 1.0.17:
        as well.)
   * optimization: simple uses of HANDLER-CASE and HANDLER-BIND no
     longer cons.
+  * optimization: file compiler is now able to coalesce non-circular
+    lists, non-base strings, and bit-vectors. Additionally, constants
+    are never referenced through SYMBOL-VALUE at runtime.
   * bug fix: EAI_NODATA is deprecated since RFC 3493. Stop using it
     in sb-bsd-sockets.
   * fixed some bugs revealed by Paul Dietz' test suite: