[libgfortran] PR107068 Run-time error when reading logical arrays with a namelist
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Commit Message
The attached patch fixes this one. Se the ChangeLog below for explanation.
OK for trunk?
I think simple enough to backport to 13 as well.
Regards,
Jerry
Author: Jerry DeLisle <jvdelisle@gcc.gnu.org>
Date: Fri Feb 16 17:06:37 2024 -0800
libgfortran: Fix namelist read.
PR libgfortran/107068
libgfortran/ChangeLog:
* io/list_read.c (read_logical): When looking for a possible
variable name, check for left paren, indicating a possible
array reference.
gcc/testsuite/ChangeLog:
* gfortran.dg/pr107068.f90: New test.
Comments
> OK for trunk?
> I think simple enough to backport to 13 as well.
OK, but probably best to wait a few weeks before backporting.
FX
new file mode 100644
@@ -0,0 +1,22 @@
+! { dg-do run }
+program test
+ implicit none
+ integer :: error
+ logical, dimension(3,3) :: flc,flp
+ namelist/inputdata/flc, flp
+
+ flc = .false.
+ flp = .false.
+
+ open(10, file="inputfile")
+ write(10,*) "&INPUTDATA"
+ write(10,*) " FLC = T, "
+ write(10,*) " FLP(1,2) = T,"
+ write(10,*) "/"
+ rewind(10)
+ !write(*, nml=inputdata)
+ !open(10,file="inputfile")
+ read(10,inputdata,iostat=error)
+ close(10, status='delete')
+ if (error /= 0) stop 20
+end program test
@@ -888,6 +888,14 @@ read_logical (st_parameter_dt *dtp, int length)
for(i = 0; i < 63; i++)
{
c = next_char (dtp);
+ if (c == '(')
+ {
+ l_push_char (dtp, c);
+ dtp->u.p.nml_read_error = 1;
+ dtp->u.p.line_buffer_enabled = 1;
+ dtp->u.p.line_buffer_pos = 0;
+ return;
+ }
if (is_separator(c))
{
/* All done if this is not a namelist read. */