[Bug tree-optimization/53419] loop incorrectly optimized to endless loop at -O2 for table delimited by extern addresses (x86-32)

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53419

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-05-21 
10:33:57 UTC ---
extern func_ptr_t *init_array_end;
isn't an option, because then init_array_end is a pointer variable which needs
to be allocated somewhere and initialized somewhere, with [] it can be just a
linker defined symbol.  I guess you need an optimization barrier (compiler
specific).