Fix a PerformanceInliner crash caused by a null callee signature. #23473
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This is an obvious drive-by fix. It will crash when building Foundation after I commit changes to the pipeline. My attempts at creating a unit test were unsuccessful because it depends on some interaction between inlining and specialization heuristics.
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@swift-ci test. |
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You’ll be thrilled to know that hasAnySubstitutableParams() is going away once I figure out how to tweak the optimizer to fix the performance regression: #23291 |
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@slavapestov Maybe #23291 will be fixed by #22445. |
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This is an obvious drive-by fix. It will crash when building
Foundation after I commit changes to the pipeline. My attempts at
creating a unit test were unsuccessful because it depends on some
interaction between inlining and specialization heuristics.