LibJS: Add bytecode instructions for modulo and exponentiation

Author: https://github.com/gunnarbeutner
Commit: 55f0791b13
Pull-request: https://github.com/SerenityOS/serenity/pull/7882

Userland/Libraries/LibJS/Bytecode/ASTCodegen.cpp

@@ -55,6 +55,12 @@ Optional<Bytecode::Register> BinaryExpression::generate_bytecode(Bytecode::Gener
     case BinaryOp::Division:
         generator.emit<Bytecode::Op::Div>(dst_reg, *lhs_reg, *rhs_reg);
         return dst_reg;
+    case BinaryOp::Modulo:
+        generator.emit<Bytecode::Op::Mod>(dst_reg, *lhs_reg, *rhs_reg);
+        return dst_reg;
+    case BinaryOp::Exponentiation:
+        generator.emit<Bytecode::Op::Exp>(dst_reg, *lhs_reg, *rhs_reg);
+        return dst_reg;
     case BinaryOp::LessThan:
         generator.emit<Bytecode::Op::LessThan>(dst_reg, *lhs_reg, *rhs_reg);
         return dst_reg;