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fix & regression test for GH-3839 (spurious warnings for "when" constructs)

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Vern Paxson 2024-07-23 15:18:21 -07:00
parent cb88f6316c
commit e960c29acb
2 changed files with 8 additions and 1 deletions
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2
src/Func.cc
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@ -434,7 +434,7 @@ ValPtr ScriptFunc::Invoke(zeek::Args* args, Frame* parent) const {
// Warn if the function returns something, but we returned from
// the function without an explicit return, or without a value.
else if ( GetType()->Yield() && GetType()->Yield()->Tag() != TYPE_VOID &&
else if ( GetType()->Yield() && GetType()->Yield()->Tag() != TYPE_VOID && ! GetType()->ExpressionlessReturnOkay() &&
(flow != FLOW_RETURN /* we fell off the end */ || ! result /* explicit return with no result */) &&
! f->HasDelayed() )
reporter->Warning("non-void function returning without a value: %s", Name());