OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR fortran/70149 ([F08] Character pointer initialization causes ICE) 

2018-09-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/70149
	* trans-decl.c (gfc_get_symbol_decl): A deferred character
	length pointer that is initialized needs the string length to
	be initialized as well.

2018-09-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/70149
	* gfortran.dg/deferred_character_24.f90 : New test.

From-SVN: r264721
This commit is contained in:
Paul Thomas 2018-09-30 07:02:49 +00:00
parent 5e8b5d90ca
commit 8ba60ec434
4 changed files with 46 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/fortran/ChangeLog
View File

@ -1,3 +1,10 @@
2018-09-30 Paul Thomas <pault@gcc.gnu.org>
PR fortran/70149
* trans-decl.c (gfc_get_symbol_decl): A deferred character
length pointer that is initialized needs the string length to
be initialized as well.
2018-09-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/65667

12
gcc/fortran/trans-decl.c
View File

@ -1759,7 +1759,17 @@ gfc_get_symbol_decl (gfc_symbol * sym)
&& TREE_CODE (sym->ts.u.cl->backend_decl) != INDIRECT_REF)
{
gfc_finish_var_decl (length, sym);
gcc_assert (!sym->value);
if (!sym->attr.associate_var
&& TREE_CODE (length) == VAR_DECL
&& sym->value && sym->value->ts.u.cl->length)
{
gfc_expr *len = sym->value->ts.u.cl->length;
DECL_INITIAL (length) = gfc_conv_initializer (len, &len->ts,
TREE_TYPE (length),
false, false, false);
}
else
gcc_assert (!sym->value);
}
gfc_finish_var_decl (decl, sym);

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2018-09-30 Paul Thomas <pault@gcc.gnu.org>
PR fortran/70149
* gfortran.dg/deferred_character_24.f90 : New test.
2018-09-29 H.J. Lu <hongjiu.lu@intel.com>
PR target/87370

23
gcc/testsuite/gfortran.dg/deferred_character_24.f90 Normal file
View File

@ -0,0 +1,23 @@
! { dg-do run }
!
! Test the fix for PR70149 in which the string length for
! 'number_string' was not initialized.
!
! Contributed by Walter Spector <w6ws@earthlink.net>
!
module myptr_mod
implicit none
integer, target, save :: int_data = 42
character(16), target, save :: char_data = 'forty two'
integer, pointer :: number => int_data
character(:), pointer :: number_string => char_data
end module
use myptr_mod
if (LEN (number_string) .ne. 16) stop 1
if (trim (number_string) .ne. 'forty two') stop 2
end