Change minimum BytecodeArray frame size to zero now return value is in
the accumulator.
Fix inconsistent checks in bytecode-array-builder.cc.
Simplify bytecode disassembly by adding Bytecodes::Decode to
disassemble one bytecode and operands.
BUG=v8:4280
LOG=N
Review URL: https://codereview.chromium.org/1259193004
Cr-Commit-Position: refs/heads/master@{#29988}
The BytecodeArrayBuilder has responsibility for emitting the BytecodeArray. It will be used by the AST walker.
Bytecode now uses an accumulator plus registers rather being pure register based.
Update BytecodeArray::Disassemble to print operand information.
BUG=v8:4280
LOG=N
Review URL: https://codereview.chromium.org/1266713004
Cr-Commit-Position: refs/heads/master@{#29970}