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Backport "bugfix: Check if symbol exists before calling methods on it" to 3.3 LTS #465

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Backport "bugfix: Check if symbol exists before calling methods on it" to 3.3 LTS #465

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4 changes: 2 additions & 2 deletions compiler/src/dotty/tools/dotc/semanticdb/ExtractSemanticDB.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -320,7 +320,7 @@ object ExtractSemanticDB:
registerDefinition(tree.symbol, selectSpan(tree), Set.empty, tree.source)
case tree => registerDefinition(tree.symbol, tree.span, Set.empty, tree.source)
case tree: NamedDefTree =>
if !tree.symbol.isAllOf(ModuleValCreationFlags) then
if tree.symbol.exists && !tree.symbol.isAllOf(ModuleValCreationFlags) then
tree match {
case tree: ValDef if tree.symbol.isAllOf(EnumValue) =>
tree.rhs match
Expand Down Expand Up @@ -379,7 +379,7 @@ object ExtractSemanticDB:
traverseAnnotsOfDefinition(ctorSym)
ctorParams(tree.constr.termParamss, tree.constr.leadingTypeParams, tree.body)
registerDefinition(ctorSym, tree.constr.nameSpan.startPos, Set.empty, tree.source)
case tree: Apply =>
case tree: Apply if tree.fun.symbol.exists =>
@tu lazy val genParamSymbol: Name => String = tree.fun.symbol.funParamSymbol
traverse(tree.fun)
synth.tryFindSynthetic(tree).foreach(synthetics.addOne)
Expand Down