Merge branch 'bytecode_cleanup' into mach

source/quickjs-internal.h

@@ -469,7 +469,7 @@ typedef enum MachOpcode {
   MACH_JMPNULL,       /* if R(A)==null: pc += sBx */
 
   /* Function calls — Lua-style consecutive registers (legacy .mach) */
-  MACH_CALL,          /* Call R(A) with B args R(A+1)..R(A+B), C=0 discard, C=1 keep result in R(A) */
+  MACH_CALL,          /* (removed — placeholder to preserve opcode numbering) */
   MACH_RETURN,        /* Return R(A) */
   MACH_RETNIL,        /* Return null */
 
@@ -488,7 +488,7 @@ typedef enum MachOpcode {
   MACH_HASPROP,       /* R(A) = R(C) in R(B)      — has property check */
   MACH_REGEXP,        /* R(A) = regexp(K(B), K(C)) — regex literal */
 
-  MACH_CALLMETHOD,    /* Method call: R(A)=obj, B=nargs in R(A+2)..R(A+1+B), C=cpool key */
+  MACH_CALLMETHOD,    /* (removed — placeholder to preserve opcode numbering) */
 
   MACH_EQ_TOL,        /* R(A) = eq_tol(R(B), R(B+1), R(B+2)), C=3 */
   MACH_NEQ_TOL,       /* R(A) = ne_tol(R(B), R(B+1), R(B+2)), C=3 */
@@ -602,6 +602,7 @@ typedef enum MachOpcode {
   MACH_IS_RECORD,     /* R(A) = is_object(R(B)) */
   MACH_IS_STONE,      /* R(A) = is_stone(R(B)) */
   MACH_LENGTH,        /* R(A) = length(R(B)) — array/text/blob length */
+  MACH_IS_PROXY,      /* R(A) = is_function(R(B)) && R(B).length == 2 */
 
   MACH_OP_COUNT
 } MachOpcode;
@@ -737,6 +738,7 @@ static const char *mach_opcode_names[MACH_OP_COUNT] = {
   [MACH_IS_RECORD] = "is_record",
   [MACH_IS_STONE] = "is_stone",
   [MACH_LENGTH] = "length",
+  [MACH_IS_PROXY] = "is_proxy",
 };
 
 /* Compiled register-based code (off-heap, never GC'd).