Use only one pass

test/asm/label-redefinition.out

@@ -1,3 +1,3 @@
 ERROR: label-redefinition.asm(7):
     'Sym' already defined in m(6)
-error: Assembly aborted in pass 1 (1 errors)!
+error: Assembly aborted (1 errors)!

test/asm/local-wrong-parent.out

@@ -1,3 +1,3 @@
 ERROR: local-wrong-parent.asm(5):
     Not currently in the scope of 'WrongParent'
-error: Assembly aborted in pass 1 (1 errors)!
+error: Assembly aborted (1 errors)!

test/asm/undefined-dot.out

@@ -1,3 +1 @@
-ERROR: undefined-dot.asm(3):
-    '.' not defined
-error: Assembly aborted in pass 2 (1 errors)!
+error: undefined-dot.asm(3) : '.' not defined