x86/amd64 front ends: don't chase a conditional branch that leads
back to the start of the trace.  It's better to leave the IR loop
unroller to handle such cases.



git-svn-id: svn://svn.valgrind.org/vex/trunk@1959 8f6e269a-dfd6-0310-a8e1-e2731360e62c
2 files changed