$ cat 43.f90
end
$ cat 44.f90
end
$ gfortran-4.3 -fdump-tree-original 43.f90
$ gfortran -fdump-tree-original 44.f90
$ diff -u *original
--- 43.f90.003t.original 2008-09-12 21:12:50.000000000 +0200
+++ 44.f90.003t.original 2008-09-12 21:12:59.000000000 +0200
@@ -1,8 +1,8 @@
MAIN__ ()
{
- static integer(kind=4) options.0[7] = {68, 127, 0, 0, 0, 1, 0};
+ static integer(kind=4) options.0[8] = {68, 255, 0, 0, 0, 1, 0, 1};
- _gfortran_set_options (7, (void *) &options.0);
+ _gfortran_set_options (8, (void *) &options.0);
}
This makes running 4.3 programs with the 4.4 libraries impossible,
as the library will receive garbage on its eigth argument.
--
Summary: [4.4 regression] ABI breakage with _gfortran_set_options
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: wrong-code, ABI
Severity: critical
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tkoenig at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37501
