From c4a678981572c12d158709ace0d3f23dd04cf217 Mon Sep 17 00:00:00 2001 From: Paul Thomas Date: Sun, 27 Dec 2020 14:59:38 +0000 Subject: [PATCH] Fortran: Fix some select rank issues [PR97694 and 97723]. 2020-12-27 Paul Thomas gcc/fortran PR fortran/97694 PR fortran/97723 * check.c (allocatable_check): Select rank temporaries are permitted even though they are treated as associate variables. * resolve.c (gfc_resolve_code): Break on select rank as well as select type so that the block os resolved. * trans-stmt.c (trans_associate_var): Class associate variables that are optional dummies must use the backend_decl. gcc/testsuite/ PR fortran/97694 PR fortran/97723 * gfortran.dg/select_rank_5.f90: New test. --- gcc/fortran/check.c | 13 +++--- gcc/fortran/resolve.c | 5 ++- gcc/fortran/trans-stmt.c | 2 +- gcc/testsuite/gfortran.dg/select_rank_5.f90 | 44 +++++++++++++++++++++ 4 files changed, 55 insertions(+), 9 deletions(-) create mode 100644 gcc/testsuite/gfortran.dg/select_rank_5.f90 diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c index 1e64fab3401..d8829e42b18 100644 --- a/gcc/fortran/check.c +++ b/gcc/fortran/check.c @@ -289,7 +289,7 @@ bin2real (gfc_expr *x, int kind) } -/* Fortran 2018 treats a BOZ as simply a string of bits. gfc_boz2real () +/* Fortran 2018 treats a BOZ as simply a string of bits. gfc_boz2real () converts the string into a REAL of the appropriate kind. The treatment of the sign bit is processor dependent. */ @@ -377,12 +377,12 @@ gfc_boz2real (gfc_expr *x, int kind) } -/* Fortran 2018 treats a BOZ as simply a string of bits. gfc_boz2int () +/* Fortran 2018 treats a BOZ as simply a string of bits. gfc_boz2int () converts the string into an INTEGER of the appropriate kind. The treatment of the sign bit is processor dependent. If the converted value exceeds the range of the type, then wrap-around semantics are applied. */ - + bool gfc_boz2int (gfc_expr *x, int kind) { @@ -975,7 +975,8 @@ allocatable_check (gfc_expr *e, int n) symbol_attribute attr; attr = gfc_variable_attr (e, NULL); - if (!attr.allocatable || attr.associate_var) + if (!attr.allocatable + || (attr.associate_var && !attr.select_rank_temporary)) { gfc_error ("%qs argument of %qs intrinsic at %L must be ALLOCATABLE", gfc_current_intrinsic_arg[n]->name, gfc_current_intrinsic, @@ -3232,7 +3233,7 @@ gfc_check_intconv (gfc_expr *x) || strcmp (gfc_current_intrinsic, "long") == 0) { gfc_error ("%qs intrinsic subprogram at %L has been deprecated. " - "Use INT intrinsic subprogram.", gfc_current_intrinsic, + "Use INT intrinsic subprogram.", gfc_current_intrinsic, &x->where); return false; } @@ -3965,7 +3966,7 @@ gfc_check_findloc (gfc_actual_arglist *ap) /* Check the kind of the characters argument match. */ if (a1 && v1 && a->ts.kind != v->ts.kind) goto incompat; - + d = ap->next->next->expr; m = ap->next->next->next->expr; k = ap->next->next->next->next->expr; diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c index cc6173a6221..249f402b8d9 100644 --- a/gcc/fortran/resolve.c +++ b/gcc/fortran/resolve.c @@ -11776,8 +11776,9 @@ gfc_resolve_code (gfc_code *code, gfc_namespace *ns) gfc_resolve_omp_do_blocks (code, ns); break; case EXEC_SELECT_TYPE: - /* Blocks are handled in resolve_select_type because we have - to transform the SELECT TYPE into ASSOCIATE first. */ + case EXEC_SELECT_RANK: + /* Blocks are handled in resolve_select_type/rank because we + have to transform the SELECT TYPE into ASSOCIATE first. */ break; case EXEC_DO_CONCURRENT: gfc_do_concurrent_flag = 1; diff --git a/gcc/fortran/trans-stmt.c b/gcc/fortran/trans-stmt.c index 112a4e8ead9..97f3c43bd04 100644 --- a/gcc/fortran/trans-stmt.c +++ b/gcc/fortran/trans-stmt.c @@ -1784,7 +1784,7 @@ trans_associate_var (gfc_symbol *sym, gfc_wrapped_block *block) if (e->ts.type == BT_CLASS) { /* Go straight to the class data. */ - if (sym2->attr.dummy) + if (sym2->attr.dummy && !sym2->attr.optional) { class_decl = DECL_LANG_SPECIFIC (sym2->backend_decl) ? GFC_DECL_SAVED_DESCRIPTOR (sym2->backend_decl) : diff --git a/gcc/testsuite/gfortran.dg/select_rank_5.f90 b/gcc/testsuite/gfortran.dg/select_rank_5.f90 new file mode 100644 index 00000000000..55aa9e1b9bf --- /dev/null +++ b/gcc/testsuite/gfortran.dg/select_rank_5.f90 @@ -0,0 +1,44 @@ +! { dg-do run } +! +! Test the fixes for PR97723 and PR97694. +! +! Contributed by Martin +! +module mod + implicit none + private + public cssel + +contains + +function cssel(x) result(s) + character(len=:), allocatable :: s + class(*), dimension(..), optional, intent(in) :: x + if (present(x)) then + select rank (x) + rank (0) + s = '0' ! PR97723: ‘assign’ at (1) is not a function + ! PR97694: ICE in trans-stmt.c(trans_associate_var) + rank (1) + s = '1' ! PR97723: ‘assign’ at (1) is not a function + rank default + s = '?' ! PR97723: ‘assign’ at (1) is not a function + end select + else + s = '-' + end if +end function cssel + +end module mod + +program classstar_rank + use mod + implicit none + + integer :: x + real, dimension(1:3) :: y + logical, dimension(1:2,1:2) :: z + + if (any ([cssel(x),cssel(y),cssel(z),cssel()] .ne. ['0','1','?','-'])) stop 1 + +end program classstar_rank -- 2.30.2