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[Bug middle-end/42803] [4.4/4.5 Regression] c++ compilation hang



------- Comment #4 from rguenth at gcc dot gnu dot org  2010-01-19 14:24 -------
Caused by r144394

2009-02-23  Jason Merrill  <jason@redhat.com>

       PR c++/38880
       * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
       narrowing_initializer_constant_valid_p.
       (narrowing_initializer_constant_valid_p): Don't return 
       null_pointer_node for adding a pointer to itself.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42803


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