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From: Harald Anlauf <anlauf@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-6865] Fortran: MOLD argument to TRANSFER intrinsic having storage size zero Date: Tue, 25 Jan 2022 20:57:04 +0000 (GMT) [thread overview] Message-ID: <20220125205704.F1EBE385C403@sourceware.org> (raw) https://gcc.gnu.org/g:ec543c9833c2d9283c035cd8430849eb4ec04406 commit r12-6865-gec543c9833c2d9283c035cd8430849eb4ec04406 Author: Harald Anlauf <anlauf@gmx.de> Date: Tue Jan 25 21:56:39 2022 +0100 Fortran: MOLD argument to TRANSFER intrinsic having storage size zero gcc/fortran/ChangeLog: PR fortran/104227 * check.cc (gfc_calculate_transfer_sizes): Fix checking of arrays passed as MOLD argument to the TRANSFER intrinsic for having storage size zero. gcc/testsuite/ChangeLog: PR fortran/104227 * gfortran.dg/transfer_check_6.f90: New test. Diff: --- gcc/fortran/check.cc | 2 +- gcc/testsuite/gfortran.dg/transfer_check_6.f90 | 11 +++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/gcc/fortran/check.cc b/gcc/fortran/check.cc index 4fa05ee7e9b..d6c6767ae9e 100644 --- a/gcc/fortran/check.cc +++ b/gcc/fortran/check.cc @@ -6151,7 +6151,7 @@ gfc_calculate_transfer_sizes (gfc_expr *source, gfc_expr *mold, gfc_expr *size, * If SIZE is present, the result is an array of rank one and size SIZE. */ if (result_elt_size == 0 && *source_size > 0 && !size - && mold->expr_type == EXPR_ARRAY) + && (mold->expr_type == EXPR_ARRAY || mold->rank)) { gfc_error ("%<MOLD%> argument of %<TRANSFER%> intrinsic at %L is an " "array and shall not have storage size 0 when %<SOURCE%> " diff --git a/gcc/testsuite/gfortran.dg/transfer_check_6.f90 b/gcc/testsuite/gfortran.dg/transfer_check_6.f90 new file mode 100644 index 00000000000..dffd0913f0d --- /dev/null +++ b/gcc/testsuite/gfortran.dg/transfer_check_6.f90 @@ -0,0 +1,11 @@ +! { dg-do compile } +! PR fortran/104227 - ICE virtual memory exhausted +! Contributed by G.Steinmetz + +program p + type t + end type + type(t) :: x(2) + print *, transfer(1, x) ! { dg-error "shall not have storage size 0" } + x = transfer(1, x) ! { dg-error "shall not have storage size 0" } +end
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