Author: Armin Rigo <ar...@tunes.org>
Branch: release-1.6.x
Changeset: r46442:15542b7b123d
Date: 2011-08-11 22:38 +0200
http://bitbucket.org/pypy/pypy/changeset/15542b7b123d/

Log:    Windows bug fix. Shows up as the JIT complaining that it is missing
        liveness. Quite indirect :-(

diff --git a/pypy/translator/platform/windows.py 
b/pypy/translator/platform/windows.py
--- a/pypy/translator/platform/windows.py
+++ b/pypy/translator/platform/windows.py
@@ -231,6 +231,9 @@
             linkflags = self._args_for_shared(linkflags) + [
                 '/EXPORT:$(PYPY_MAIN_FUNCTION)']
         linkflags += self._exportsymbols_link_flags(eci, relto=path)
+        # Make sure different functions end up at different addresses!
+        # This is required for the JIT.
+        linkflags.append('/opt:noicf')
 
         if shared:
             so_name = exe_name.new(purebasename='lib' + exe_name.purebasename,
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