Nonconformant simple vs extended loop detection

Bug #2068561 reported by Umut Tuna Akgül
This bug affects 1 person
Affects Status Importance Assigned to Milestone

Bug Description

According to, a loop is a simple loop if it only contains compound forms. Currently SBCL only checks the first form.

Under a conformant implementation the form
  (loop (foo) for)
must signal an error.

The fix appears to be to replace the condition in `loop-standard-expansion' with
  (some 'atom keywords-and-forms)

Tags: loop
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