http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50211
--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> 2012-02-21 21:25:56 UTC --- Created attachment 26719 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26719 even shorter testcase $ gcc -O -funroll-all-loops --param=case-values-threshold=1 testcase.c testcase.c: In function 'foo': testcase.c:13:1: error: verify_flow_info: Incorrect fallthru 17->18 testcase.c:13:1: error: wrong insn in the fallthru edge (barrier 107 104 129) testcase.c:13:1: internal compiler error: in rtl_verify_flow_info, at cfgrtl.c:2180 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. ICEs with r184423
