Handle UB in bit_scan_forward #20
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Commit 37ece8e introduced UB into bit_scan_forward when called with zero agrument. Check m_type == UNDEFINED explicitly in to_type() Also replace bit_scan_forward return type to int to avoid double conevtion.
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Commit 37ece8e introduced UB into bit_scan_forward
when called with zero agrument.
Check m_type == UNDEFINED explicitly in to_type()
Also replace bit_scan_forward return type to int to avoid double conversion.