left             4326 src/arm/code-stubs-arm.cc Register InstanceofStub::left() { return r0; }
left             5396 src/ia32/code-stubs-ia32.cc Register InstanceofStub::left() { return eax; }
left             4493 src/mips/code-stubs-mips.cc Register InstanceofStub::left() { return a0; }
left             4420 src/x64/code-stubs-x64.cc Register InstanceofStub::left() { return no_reg; }