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[flang] Catch attempts to use assumed-rank as elemental argument #159852

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Sep 23, 2025
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[flang] Catch attempts to use assumed-rank as elemental argument #159852

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4 changes: 4 additions & 0 deletions flang/lib/Semantics/check-call.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1483,6 +1483,10 @@ static bool CheckElementalConformance(parser::ContextualMessages &messages,
evaluate::SayWithDeclaration(messages, *wholeSymbol,
"Whole assumed-size array '%s' may not be used as an argument to an elemental procedure"_err_en_US,
wholeSymbol->name());
} else if (IsAssumedRank(*wholeSymbol)) {
evaluate::SayWithDeclaration(messages, *wholeSymbol,
"Assumed-rank array '%s' may not be used as an argument to an elemental procedure"_err_en_US,
wholeSymbol->name());
}
}
if (auto argShape{evaluate::GetShape(context, *expr)}) {
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13 changes: 13 additions & 0 deletions flang/test/Semantics/elemental03.f90
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
!RUN: %python %S/test_errors.py %s %flang_fc1
module m
contains
elemental real function f(x)
real, intent(in) :: x
f = x
end
subroutine s(a)
real a(..)
!ERROR: Assumed-rank array 'a' may not be used as an argument to an elemental procedure
print *, f(a)
end
end