Commits on Sep 14, 2024

1. Avoid unwinding the stack on hot path in method call lookups …

   The method lookup code uses exceptions to retry lookups using
   auto-casting. This is effectively using an exception for execution
   control, which is not what they are intended for. On `raise`, Crystal
   will try to unwind the call stack and save it to be able to report the
   original place where the exception was thrown, and this is a very
   expensive operation. To avoid that, we initialize the callstack of the
   special `RetryLookupWithLiterals` exception class always with the same
   fixed value.

   

   ggiraldez committed Sep 14, 2024
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