YJIT: Fix SP index with optarg and unordered kwarg #5379
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eregon
reviewed
Dec 30, 2021
Previously when we were calling a method with an optional argument and multiple keywords arguments which weren't in the order the receiver expected we would use the wrong SP index to rearrange them. Fixes Bug #18453
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XrXr
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Dec 31, 2021
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Thanks for tracking this down. Sorry I didn't catch this when reviewing #5285. Now I really need to write a fuzzer to test this code. Others can approve this if they want, but I'm not comfortable doing so before I do some randomized property based testing. This is the fourth miscompilation bug from keyword args handling now. 1234
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Trying a fuzzer/property based testing is a good idea. I'm going to merge as we know this fixes the current issue. |
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Previously when we were calling a method with an optional argument and multiple keywords arguments which weren't in the order the receiver expected we would use the wrong SP index to rearrange them.
Fixes Bug #18453