http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46945
Summary: [4.6 Regression] gfortran.dg/unpack_zerosize_1.f90
FAILs with -ftree-vrp -fno-tree-ccp -fno-tree-fre
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
Created attachment 22755
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22755
reduced testcase
Output:
$ gfortran -O -ftree-vrp -fno-tree-ccp -fno-tree-fre testcase.f90
$ ./a.out
Fortran runtime error: Integer overflow when calculating the amount of memory
to allocate
In the testcase.f90.067t.vrp1 dump, there is unconditional call to
_gfortran_runtime_error().
Maybe will be fixed by http://gcc.gnu.org/ml/gcc-patches/2010-12/msg01026.html
Tested revisions:
r167770 - fail
r167643 - fail
r165699 - OK
4.5 r166509 - OK
