4947

Bugfix: has-metadata? was corrupting registers

Seems uneconomic to write tests for stuff like this. Assembly is just not
the right layer to try to come up with a general solution or process. Keep
running your code and wait to find signs of breakage.

subx/apps/pack.subx

@@ -431,6 +431,8 @@ $has-metadata?:true:
 $has-metadata?:false:
     b8/copy-to-EAX  0/imm32/false
 $has-metadata?:end:
+    # . reclaim locals
+    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
     # . restore registers
     5f/pop-to-EDI
     5e/pop-to-ESI