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fixes #19013 [backport:1.6] (#19111)

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* fixes #19013 [backport:1.6]

* added test case
This commit is contained in:
Andreas Rumpf 2021-11-09 12:43:16 +01:00 • committed by GitHub
commit b7c66ce860
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4 changed files with 46 additions and 8 deletions
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7
compiler/varpartitions.nim
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@ -647,13 +647,6 @@ proc deps(c: var Partitions; dest, src: PNode) =
when explainCursors: echo "D not a cursor ", d.sym, " reassignedTo ", c.s[srcid].reassignedTo
c.s[vid].flags.incl preventCursor
const
nodesToIgnoreSet = {nkNone..pred(nkSym), succ(nkSym)..nkNilLit,
nkTypeSection, nkProcDef, nkConverterDef,
nkMethodDef, nkIteratorDef, nkMacroDef, nkTemplateDef, nkLambda, nkDo,
nkFuncDef, nkConstSection, nkConstDef, nkIncludeStmt, nkImportStmt,
nkExportStmt, nkPragma, nkCommentStmt, nkBreakState,
nkTypeOfExpr, nkMixinStmt, nkBindStmt}
proc potentialMutationViaArg(c: var Partitions; n: PNode; callee: PType) =
if constParameters in c.goals and tfNoSideEffect in callee.flags: