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re PR fortran/31251 (Non-integer character length leads to segfault)

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2007-05-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/31251
	* decl.c (match_char_spec): Add check for invalid character lengths.

2007-05-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/31251
	* gfortran.dg/char_type_len_2.f90: New test.

From-SVN: r124469
This commit is contained in:
Jerry DeLisle 2007-05-06 04:10:53 +00:00
parent a758fa89b5
commit 16f8ffc831
4 changed files with 28 additions and 1 deletions
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5
gcc/fortran/ChangeLog
View File

@ -1,3 +1,8 @@
2007-05-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/31251
* decl.c (match_char_spec): Add check for invalid character lengths.
2007-05-04 Brooks Moses <brooks.moses@codesourcery.com>
* intrinsic.texi (CMPLX): Document result kind.

11
gcc/fortran/decl.c
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@ -1626,14 +1626,23 @@ rparen:
syntax:
gfc_error ("Syntax error in CHARACTER declaration at %C");
m = MATCH_ERROR;
gfc_free_expr (len);
return m;
done:
if (m == MATCH_YES && gfc_validate_kind (BT_CHARACTER, kind, true) < 0)
if (gfc_validate_kind (BT_CHARACTER, kind, true) < 0)
{
gfc_error ("Kind %d is not a CHARACTER kind at %C", kind);
m = MATCH_ERROR;
}
if (seen_length == 1 && len != NULL
&& len->ts.type != BT_INTEGER && len->ts.type != BT_UNKNOWN)
{
gfc_error ("Expression at %C must be of INTEGER type");
m = MATCH_ERROR;
}
if (m != MATCH_YES)
{
gfc_free_expr (len);

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2007-05-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/31251
* gfortran.dg/char_type_len_2.f90: New test.
2007-05-05 Geoffrey Keating <geoffk@apple.com>
PR 31775

8
gcc/testsuite/gfortran.dg/char_type_len_2.f90 Normal file
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@ -0,0 +1,8 @@
! { dg-do compile }
! PR31251 Non-integer character length leads to segfault
! Submitted by Jerry DeLisle <jvdelisle@gcc.gnu.org>
character(len=2.3) :: s ! { dg-error "must be of INTEGER type" }
character(kind=1,len=4.3) : t ! { dg-error "must be of INTEGER type" }
character(len=,,7.2,kind=1) : u ! { dg-error "Syntax error in CHARACTER declaration" }
character(len=7,kind=2) : v ! ! { dg-error "Kind 2 is not a CHARACTER kind" }
end