Remove instr_argument argument from instruction implementations

Author: chfast

lib/evmone/analysis.hpp

@@ -133,7 +133,7 @@ union instr_argument
 
 static_assert(sizeof(instr_argument) == sizeof(void*), "Incorrect size of instr_argument");
 
-using exec_fn = const instr_info* (*)(const instr_info*, execution_state&, instr_argument arg);
+using exec_fn = const instr_info* (*)(const instr_info*, execution_state&);
 
 /// The evmone intrinsic opcodes.
 ///

lib/evmone/execution.cpp

@@ -31,7 +31,7 @@ evmc_result execute(evmc_instance*, evmc_context* ctx, evmc_revision rev, const
 
     const instr_info* instr = &state->analysis->instrs[0];
     while (instr)
-        instr = instr->fn(instr, *state, instr->arg);
+        instr = instr->fn(instr, *state);
 
     evmc_result result{};