[XLA:FFI] Catch exceptions in user FFI calls.

openxla / xla

A machine learning compiler for GPUs, CPUs, and ML accelerators

Apache License 2.0

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[XLA:FFI] Catch exceptions in user FFI calls. #14285

Open copybara-service[bot] opened 2 days ago

copybara-service[bot] commented 2 days ago

[XLA:FFI] Catch exceptions in user FFI calls.

This change adds a defensive try/catch when calling user code via that FFI interface to convert C++ exceptions to an absl status, allowing more graceful failure.