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Fix wrong 'not an lvalue' error when assigning to sequence (#21260)

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Fixes #21259.
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Nick Treleaven 2025-04-18 13:29:13 +01:00 • committed by GitHub
parent bc3c423fd7
commit 011c27165e
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2 changed files with 49 additions and 2 deletions
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8
compiler/src/dmd/expressionsem.d
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@ -10579,7 +10579,12 @@ private extern (C++) final class ExpressionSemanticVisitor : Visitor
{
TupleDeclaration td = isAliasThisTuple(e2x);
if (!td)
goto Lnomatch;
{
Lnomatch:
error(exp.loc, "cannot assign `%s` to expression sequence `%s`",
exp.e2.type.toChars(), exp.e1.type.toChars());
return setError();
}
assert(exp.e1.type.ty == Ttuple);
TypeTuple tt = cast(TypeTuple)exp.e1.type;
@ -10621,7 +10626,6 @@ private extern (C++) final class ExpressionSemanticVisitor : Visitor
// Do not need to overwrite this.e2
goto Ltupleassign;
}
Lnomatch:
}
/* Inside constructor, if this is the first assignment of object field,