Support stage/phase OptionsException wrapping.

ucb-bar / dsptools

A Library of Chisel3 Tools for Digital Signal Processing

Apache License 2.0

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Support stage/phase OptionsException wrapping. #168

Closed ucbjrl closed 5 years ago

ucbjrl commented 5 years ago

Test the exception cause in the "UInt subtract with overflow type Grow not supported" test (since stage/phase code will wrap it in an OptionsException).

ucbjrl commented 5 years ago

This address freechipsproject/chisel3#1114.