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Derived type assignment checking needs to account for the possibility of derived assignment. The implementation was checking compile-time conformance errors only on the path for assignments of intrinsic types. Add a static array conformance check in the derived type flow once it has been established that no defined assignment exists. Fixes https://github.com/llvm/llvm-project/issues/98981.
30 lines
1.1 KiB
Fortran
30 lines
1.1 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! Shape conformance checks on assignments
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program test
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type t
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integer n
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end type
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real :: a0, a1a(2), a1b(3), a2a(2,3), a2b(3,2)
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type(t) c(10)
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a0 = 0. ! ok
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!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches scalar REAL(4) and rank 1 array of REAL(4)
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a0 = [0.]
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a1a = 0. ! ok
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a1a = [(real(j),j=1,2)] ! ok
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!ERROR: Dimension 1 of left-hand side has extent 2, but right-hand side has extent 3
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a1a = [(real(j),j=1,3)]
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!ERROR: Dimension 1 of left-hand side has extent 3, but right-hand side has extent 2
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a1b = a1a
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!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches rank 1 array of REAL(4) and rank 2 array of REAL(4)
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a1a = a2a
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a1a = a2a(:,1) ! ok
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a2a = 0. ! ok
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a2a(:,1) = a1a ! ok
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!ERROR: Dimension 1 of left-hand side has extent 3, but right-hand side has extent 2
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a2a(1,:) = a1a
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!ERROR: Dimension 1 of left-hand side has extent 2, but right-hand side has extent 3
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a2a = a2b
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!ERROR: Dimension 1 of left-hand side has extent 10, but right-hand side has extent 0
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c(1:10) = c(10:1)
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end
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