[Bug tree-optimization/54985] [4.7/4.8 Regression] dom optimization erroneous remove conditional goto.

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54985



--- Comment #8 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-10-23 
21:23:10 UTC ---

After revision 192745 bootstrap fails with



...

../../work/gcc/tree-ssa-threadedge.c:583:1: error: unused parameter 'n'

[-Werror=unused-parameter]

 cond_arg_set_in_bb (edge e, basic_block bb, int n)

 ^

cc1plus: all warnings being treated as errors

...