On the V8 teram we had a POC of forcing mispredicted instruction sequences in the interpreter that leaked data. Reorder buffers are 200-600 instructions these d

On the V8 teram we had a POC of forcing mispredicted instruction sequences in the interpreter that leaked data. Reorder buffers are 200-600 instructions these days, and indirect branch predictors needed to speculate through bytecode sequences are good enough that an interpreter is not safe.