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Fortran: ICE on procedure arguments with non-integer length [PR107707]

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gcc/fortran/ChangeLog:

	PR fortran/107707
	* interface.cc (gfc_compare_actual_formal): Check that we actually
	have integer values before asking gmp_* to use them.

gcc/testsuite/ChangeLog:

	PR fortran/107707
	* gfortran.dg/pr107707.f90: New test.
This commit is contained in:
Steve Kargl 2022-11-16 22:46:55 +01:00 • committed by Harald Anlauf
parent c85f8dbb17
commit bdd784fc48
2 changed files with 15 additions and 0 deletions
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2
gcc/fortran/interface.cc
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@ -3273,9 +3273,11 @@ gfc_compare_actual_formal (gfc_actual_arglist **ap, gfc_formal_arglist *formal,
if (a->expr->ts.type == BT_CHARACTER
&& a->expr->ts.u.cl && a->expr->ts.u.cl->length
&& a->expr->ts.u.cl->length->expr_type == EXPR_CONSTANT
&& a->expr->ts.u.cl->length->ts.type == BT_INTEGER
&& f->sym->ts.type == BT_CHARACTER && f->sym->ts.u.cl
&& f->sym->ts.u.cl->length
&& f->sym->ts.u.cl->length->expr_type == EXPR_CONSTANT
&& f->sym->ts.u.cl->length->ts.type == BT_INTEGER
&& (f->sym->attr.pointer || f->sym->attr.allocatable
|| (f->sym->as && f->sym->as->type == AS_ASSUMED_SHAPE))
&& (mpz_cmp (a->expr->ts.u.cl->length->value.integer,

13
gcc/testsuite/gfortran.dg/pr107707.f90 Normal file
View file

@ -0,0 +1,13 @@
! { dg-do compile }
! PR fortran/107707 - ICE in gfc_compare_actual_formal
! Contributed by G.Steinmetz
program p
character(3), allocatable :: c
c = 'abc'
call s(c)
contains
subroutine s(x)
character(real(3)), allocatable :: x ! { dg-error "must be of INTEGER type" }
end
end