[Bug middle-end/42220] [4.5 Regression] FAIL: gfortran.dg/complex_intrinsic_5.f90 -m64 -O -frename-registers

[dominiq at lps dot ens dot fr]

------- Comment #27 from dominiq at lps dot ens dot fr  2010-02-18 12:17 -------
> You'll need to use a kind of binary search using the -fdbg-cnt=rnreg:N option,
> where N is an integer.  Start with something small, maybe even 1, then double
> it until the failure appears.  Then do a binary search between the last number
> that produced a working binary, and the one that did not.

Should I use '-fdbg-cnt=rnreg:N' to build gcc or only when testing
complex_intrinsic_5.f90?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42220