Author: Maciej Fijalkowski <fij...@gmail.com>
Branch: share-guard-info
Changeset: r79858:08a671c04e1f
Date: 2015-09-27 09:43 +0200
http://bitbucket.org/pypy/pypy/changeset/08a671c04e1f/

Log:    make the crash more explicit

diff --git a/rpython/jit/metainterp/optimizeopt/optimizer.py 
b/rpython/jit/metainterp/optimizeopt/optimizer.py
--- a/rpython/jit/metainterp/optimizeopt/optimizer.py
+++ b/rpython/jit/metainterp/optimizeopt/optimizer.py
@@ -529,6 +529,10 @@
         if extra_jump:
             self.first_optimization.propagate_forward(ops[-1])
         self.resumedata_memo.update_counters(self.metainterp_sd.profiler)
+
+        if self.origin_jitcode is not None:
+            raise Exception("Was looking for guard never foudnd it")
+        
         return (BasicLoopInfo(newargs, self.quasi_immutable_deps),
                 self._newoperations)
 
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