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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -1,3 +1,18 @@ +2018-03-26 Arnold D. Robbins <arnold@skeeve.com> + + Remove the tail recursion optimization. It's fundamentally + broken, in the case where a local var becomes a parameter. + Thanks to Denis Shirokov <cosmogen@gmail.com> for the report. + See test/tailrecurse.awk. + + * awk.h [num_tail_calls, tail_call]: Remove definitions. + * awkgram.y (grammar, mk_function): Remove code related to + the tail recursion optimization. + * eval.c (dump_fcall_stack): Adjust dumping code since no longer + looping through tail call recursion. + (setup_frame): Remove code related to the tail recursion optimization. + (init_interpret): Ditto. + 2018-03-22 Arnold D. Robbins <arnold@skeeve.com> * configure.ac: Check for %a support in system printf. |