Grigory Zagorodnev wrote:
GCC 4.3 revision 120799 fails to compile SPEC cpu2006/447.dealII benchmark at x86_64-redhat-linux on -O2 optimization level. Last revision know to be good is 120775.

It appears that revision 120767 causes the failure
http://gcc.gnu.org/viewcvs?view=rev&revision=120767

Which is "Remove unused variables from REFERENCED_VARS list" patch
http://gcc.gnu.org/ml/gcc-patches/2007-01/msg01048.html

- Grigory

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