fix #14165 #18739 #18791
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fix #14165 #18739 #18791
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Araq
reviewed
Sep 3, 2021
| @@ -734,7 +734,7 @@ proc transformFor(c: PTransf, n: PNode): PNode = | |||
| stmtList.add(newAsgnStmt(c, nkFastAsgn, temp, arg)) | |||
| idNodeTablePut(newC.mapping, formal, temp) | |||
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| let body = transformBody(c.graph, c.idgen, iter, true) | |||
| let body = transformBody(c.graph, c.idgen, iter, true).copyTree | |||
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Seem expensive and worse, weird. How come for example that not a fresh set of local variables is required?
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It is a regression: b1ff37c
Ref #14165 (comment)
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Before 0.20.0, copyTree is used.Then the optimization may remove it wrongly.
copyTree is introduced in here: 5432b2b#diff-c7b80f51fb685eb22c5b56ee2f320d6c708706f3ae7293478ecd104a2b5b8096
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Alternative is here #18812 |
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fix the second example of #6269
fixes #14165
fixes #18739