I attached the test and patch that were already attached to the bug. transcript of session that reproduces bug: $ openf90 bug757.f90 -mso -O3 -c
### Assertion failure at line 458 of /scratch/dgilmore/sot-pp1/bd/osprey/../../osprey/be/opt/opt_wn.cxx: ### Compiler Error in file ./gfortran.dg/bug757.f90 during Global Optimization -- Proactive Loop Transformation phase: ### WN_st is not of type AUX. openf90 INTERNAL ERROR: /scratch/dgilmore/sot-pp1/bd/local/lib/gcc-lib/x86_64-open64-linux/4.2/be returned non-zero status 1 The problem is only exposed in the debug build at -O3 -mso and the fix is straightforward. Could a gatekeeper review/approve this change when he or she has a chance? Thanks, Doug
bug757.patch
Description: bug757.patch
bug757.f90
Description: bug757.f90
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