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[flang] Improve error message on bad complex literal. #124331

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Jan 27, 2025
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[flang] Improve error message on bad complex literal. #124331

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5 changes: 5 additions & 0 deletions flang/lib/Evaluate/tools.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,11 @@ ConvertRealOperandsResult ConvertRealOperands(
return {AsSameKindExprs<TypeCategory::Real>(
ConvertTo(ry, std::move(bx)), std::move(ry))};
},
[&](BOZLiteralConstant &&,
BOZLiteralConstant &&) -> ConvertRealOperandsResult {
messages.Say("operands cannot both be BOZ"_err_en_US);
return std::nullopt;
},
[&](auto &&, auto &&) -> ConvertRealOperandsResult { // C718
messages.Say(
"operands must be INTEGER, UNSIGNED, REAL, or BOZ"_err_en_US);
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4 changes: 3 additions & 1 deletion flang/test/Semantics/complex01.f90
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@@ -1,5 +1,5 @@
! RUN: %python %S/test_errors.py %s %flang_fc1
! C718 Each named constant in a complex literal constant shall be of type
! C718 Each named constant in a complex literal constant shall be of type
! integer or real.
subroutine s()
integer :: ivar = 35
Expand Down Expand Up @@ -30,4 +30,6 @@ subroutine s()
complex :: cvar11 = (cconst, 1.0)
!ERROR: operands must be INTEGER, UNSIGNED, REAL, or BOZ
complex :: cvar12 = (lconst, 1.0)
!ERROR: operands cannot both be BOZ
complex :: cvar13 = (z'3f700000', z'00000000')
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Is there already a test for creating COMPLEX from one BOZ component?

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I don't know.

end subroutine s
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