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Re: Merge switch statements in tree-cfgcleanup
On 07/19/2016 12:35 PM, Richard Biener wrote:
I think that start/end_recording_case_labels also merged adjacent labels
via group_case_labels_stmt. Not sure why you need to stop recording
case labels during the transform. Is this because you are building a new
It's because the cached mapping gets invalidated. Look in tree-cfg, it
has a edge_to_cases map which I think cannot be maintained if you modify
the structure. I certainly got lots of internal errors until I added
that pair of calls.