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Re: [tree-ssa] crash in coalesce_abnormal_edges, merge from mainline?

>
> And the report is:
>
> Different root vars 'pretmp.12631' and 'T.11763' across an abnormal edge from BB1740->BB1742
>
> In file included from dl.C:204:
> parser.c: In function `int yyparse()':
> parser.c:3724: internal compiler error: in coalesce_abnormal_edges, at tree-ssa.c:1263
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://gcc.gnu.org/bugs.html> for instructions.
>
> pretmp.12631 needs to have the SSA_NAME_OCCURS_IN_ABNORMAL_PHI() bit set.

Errr, how do i know this?

IE how do i know when to set the bit during insertion?
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