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41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
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[PATCH] deferred-shape vs assumed-shape
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Steve Kargl sgk@troutmask.apl.washington.edu
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Wed Apr 1 20:04:43 GMT 2020
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See
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https://stackoverflow.com/questions/60972134/whats-wrong-with-the-following-fortran-code-gfortran-dtio-dummy-argument-at
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Is A(:) a deferred-shape array or an assumed-shape array? The
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answer of course depends on context.
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This patch fixes the issue found at the above URL.
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Index: gcc/fortran/interface.c
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===================================================================
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--- gcc/fortran/interface.c (revision 280157)
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+++ gcc/fortran/interface.c (working copy)
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@@ -4916,10 +4916,15 @@ check_dtio_arg_TKR_intent (gfc_symbol *fsym, bool type
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|| ((type != BT_CLASS) && fsym->attr.dimension)))
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gfc_error ("DTIO dummy argument at %L must be a scalar",
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&fsym->declared_at);
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- else if (rank == 1
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- && (fsym->as == NULL || fsym->as->type != AS_ASSUMED_SHAPE))
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- gfc_error ("DTIO dummy argument at %L must be an "
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- "ASSUMED SHAPE ARRAY", &fsym->declared_at);
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+ else if (rank == 1)
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+ {
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+ if (fsym->as == NULL
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+ || !(fsym->as->type == AS_ASSUMED_SHAPE
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+ || (fsym->as->type == AS_DEFERRED && fsym->attr.dummy
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+ && !fsym->attr.allocatable && !fsym->attr.pointer)))
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+ gfc_error ("DTIO dummy argument at %L must be an "
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+ "ASSUMED-SHAPE ARRAY", &fsym->declared_at);
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+ }
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if (type == BT_CHARACTER && fsym->ts.u.cl->length != NULL)
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gfc_error ("DTIO character argument at %L must have assumed length",
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--
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Steve
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