with '-O1 -ftree-vrp -fwrapv' the armencrypt.test from
gnupg-1.4.5 release producing an output until ENOSPC.
with '-O1 -fno-tree-vrp' test passes.
$ cd gnupg-1.4.5/checks/
$ srcdir=. ./armencrypt.test
$ ls -l x
-rw------- 1 builder2 users 108946 Oct 23 10:32 x
this bug is specific for big-endian.
gcc-4.1.2-20060928.
--
Summary: '-O1 -ftree-vrp -fwrapv' misscompiles stable gnupg-
1.4.5.
Product: gcc
Version: 4.1.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pluto at agmk dot net
GCC target triplet: powerpc-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29559
