Add test for undefined __SCOPE__

test/asm/undefined-builtins.asm

@@ -3,6 +3,11 @@ assert !DEF(@)
 println @
 println "{@}?"
 
+; not inside a section
+assert !DEF(__SCOPE__)
+println __SCOPE__
+println "{__SCOPE__}?"
+
 ; not inside a global scope
 assert !DEF(.)
 println .
@@ -23,6 +28,10 @@ assert DEF(@)
 println @
 println "{@}!"
 
+assert DEF(__SCOPE__)
+println __SCOPE__
+println "{__SCOPE__}!"
+
 GlobalScope:
 assert DEF(.)
 println .

test/asm/undefined-builtins.err

@@ -2,16 +2,20 @@ error: PC has no value outside of a section
     at undefined-builtins.asm(3)
 error: Interpolated symbol `@` does not exist
     at undefined-builtins.asm(4)
-error: `.` has no value outside of a label scope
+error: `__SCOPE__` has no value outside of a section
     at undefined-builtins.asm(8)
-error: Interpolated symbol `.` does not exist
+error: Interpolated symbol `__SCOPE__` does not exist
     at undefined-builtins.asm(9)
-error: `..` has no value outside of a local label scope
+error: `.` has no value outside of a label scope
     at undefined-builtins.asm(13)
-error: Interpolated symbol `..` does not exist
+error: Interpolated symbol `.` does not exist
     at undefined-builtins.asm(14)
-error: `_NARG` has no value outside of a macro
+error: `..` has no value outside of a local label scope
     at undefined-builtins.asm(18)
-error: Interpolated symbol `_NARG` does not exist
+error: Interpolated symbol `..` does not exist
     at undefined-builtins.asm(19)
-Assembly aborted with 8 errors!
+error: `_NARG` has no value outside of a macro
+    at undefined-builtins.asm(23)
+error: Interpolated symbol `_NARG` does not exist
+    at undefined-builtins.asm(24)
+Assembly aborted with 10 errors!

test/asm/undefined-builtins.out

@@ -3,11 +3,15 @@ $0
 
 ?
 
+?
+
 ?
 $0
 ?
 $42
 $42!
+
+!
 $42
 GlobalScope!
 $42